252 phantom borrow crosses into a query arm

✓ Passing This code compiles and runs correctly.

Code

input.k

Actual · Zig

✓ pass
pushed 10, len 1
pushed 20, len 2
pushed 30, len 3

Actual · C#

✗ cs-compile

Expected output

✓ Zig✗ C#
pushed 10, len 1
pushed 20, len 2
pushed 30, len 3
Emitted Zig source
// Access compiler flags via the per-user compiler_env module
const CompilerEnv = @import("compiler_env").CompilerEnv;

pub const panic = if (@import("builtin").mode == .Debug)
    @import("std").debug.FullPanic(@import("std").debug.defaultPanic)
else
    @import("std").debug.simple_panic;


const __koru_bare = struct {
    extern fn posix_memalign(memptr: *?*anyopaque, alignment: usize, size: usize) c_int;
    extern fn free(ptr: ?*anyopaque) void;
    fn bareAlloc(_: *anyopaque, len: usize, alignment: @import("std").mem.Alignment, _: usize) ?[*]u8 {
        var p: ?*anyopaque = null;
        const a = @max(alignment.toByteUnits(), @sizeOf(usize));
        if (posix_memalign(&p, a, len) != 0) return null;
        return @ptrCast(p);
    }
    fn bareResize(_: *anyopaque, _: []u8, _: @import("std").mem.Alignment, _: usize, _: usize) bool { return false; }
    fn bareRemap(_: *anyopaque, _: []u8, _: @import("std").mem.Alignment, _: usize, _: usize) ?[*]u8 { return null; }
    fn bareFree(_: *anyopaque, memory: []u8, _: @import("std").mem.Alignment, _: usize) void { free(@ptrCast(memory.ptr)); }
    const vtable = @import("std").mem.Allocator.VTable{ .alloc = bareAlloc, .resize = bareResize, .remap = bareRemap, .free = bareFree };
    const allocator = @import("std").mem.Allocator{ .ptr = undefined, .vtable = &vtable };
};
const __koru_backing = if (@import("builtin").link_libc) @import("std").heap.c_allocator else if (@import("builtin").os.tag == .freestanding) __koru_bare.allocator else @import("std").heap.page_allocator;
var __koru_leak_count: @import("std").atomic.Value(usize) = .init(0);
fn __koru_alloc(ctx: *anyopaque, len: usize, alignment: @import("std").mem.Alignment, ret_addr: usize) ?[*]u8 {
    _ = ctx;
    const r = __koru_backing.rawAlloc(len, alignment, ret_addr);
    if (comptime @import("builtin").mode == .Debug) {
        if (r != null) _ = __koru_leak_count.fetchAdd(1, .monotonic);
    }
    return r;
}
fn __koru_resize(ctx: *anyopaque, memory: []u8, alignment: @import("std").mem.Alignment, new_len: usize, ret_addr: usize) bool {
    _ = ctx;
    return __koru_backing.rawResize(memory, alignment, new_len, ret_addr);
}
fn __koru_remap(ctx: *anyopaque, memory: []u8, alignment: @import("std").mem.Alignment, new_len: usize, ret_addr: usize) ?[*]u8 {
    _ = ctx;
    return __koru_backing.rawRemap(memory, alignment, new_len, ret_addr);
}
fn __koru_free(ctx: *anyopaque, memory: []u8, alignment: @import("std").mem.Alignment, ret_addr: usize) void {
    _ = ctx;
    __koru_backing.rawFree(memory, alignment, ret_addr);
    if (comptime @import("builtin").mode == .Debug) {
        _ = __koru_leak_count.fetchSub(1, .monotonic);
    }
}
const __koru_vtable = @import("std").mem.Allocator.VTable{ .alloc = __koru_alloc, .resize = __koru_resize, .remap = __koru_remap, .free = __koru_free };
pub fn koru_allocator() @import("std").mem.Allocator {
    return .{ .ptr = undefined, .vtable = &__koru_vtable };
}

pub inline fn __koru_intcast(comptime T: type, x: anytype) T {
    if (comptime (@import("builtin").mode == .Debug or @import("builtin").mode == .ReleaseSafe))
        return @as(T, @intCast(x));
    const dst = @typeInfo(T);
    const src = @typeInfo(@TypeOf(x));
    if (comptime (dst == .int and src == .int and dst.int.bits == src.int.bits and dst.int.signedness != src.int.signedness))
        return @as(T, @bitCast(x));
    return @as(T, @intCast(x));
}

pub fn koru_leak_check() void {
    if (comptime @import("builtin").mode != .Debug) return;
    if (__koru_leak_count.load(.acquire) == 0) return;
    if (comptime @import("builtin").target.os.tag == .freestanding) {
        if (comptime @import("builtin").cpu.arch == .wasm32 or @import("builtin").cpu.arch == .wasm64) {
            @panic("KORU LEAK CHECK FAILED: the produced program leaked");
        } else {
            const __klc = struct { extern var stdout: ?*anyopaque; extern fn fputs(__s: [*:0]const u8, __st: ?*anyopaque) c_int; };
            var __lb: [128]u8 = undefined;
            const __lm = "KORU LEAK CHECK FAILED: allocations still outstanding at end of run: ";
            @memcpy(__lb[0..__lm.len], __lm);
            var __ln: usize = __lm.len;
            var __lv = __koru_leak_count.load(.acquire);
            var __ld: [20]u8 = undefined;
            var __lk: usize = 0;
            while (__lv > 0) : (__lk += 1) { __ld[__lk] = @intCast('0' + __lv % 10); __lv /= 10; }
            for (0..__lk) |__li| { __lb[__ln] = __ld[__lk - 1 - __li]; __ln += 1; }
            __lb[__ln] = '\n'; __ln += 1; __lb[__ln] = 0;
            _ = __klc.fputs(@as([*:0]const u8, @ptrCast(&__lb)), __klc.stdout);
            @trap();
        }
    } else {
        @import("std").debug.print("KORU LEAK CHECK FAILED: the produced program leaked (trace above)\n", .{});
        @import("std").process.exit(1);
    }
}

pub const main_module = struct {
    // std/store: plural store 'items' created (SoA cell + insert/query/write/take/stripe units); fields v: i64
    // >>> FLOW: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:50  ~input:__store_inserth_items()
    pub fn flow0() void {
        const result_0 = main_module.__store_inserth_items_event.handler(.{ .v = 10, .__site_line = 50 });
        const _auto_6 = result_0.row;
        _ = &_auto_6;
    }
    // >>> FLOW: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:52  ~input:__store_inserth_items()
    pub fn flow1() void {
        const result_0 = main_module.__store_inserth_items_event.handler(.{ .v = 20, .__site_line = 52 });
        const _auto_7 = result_0.row;
        _ = &_auto_7;
    }
    // >>> FLOW: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:54  ~input:__store_inserth_items()
    pub fn flow2() void {
        const result_0 = main_module.__store_inserth_items_event.handler(.{ .v = 30, .__site_line = 54 });
        const _auto_8 = result_0.row;
        _ = &_auto_8;
    }
    // >>> FLOW: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:57  ~std.list:new_i64()
    pub fn flow3() void {
        const result_0 = koru_std.koru_list.new_i64_event.handler(.{  });
        switch (result_0) {
            // >>> BRANCH: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:60  | err _auto_9 |>
            .err => |_| {
                (struct { fn __kout(__fd: i32, __b: []const u8) void { if (@import("builtin").os.tag == .freestanding) { const __kc = struct { extern var stdout: ?*anyopaque; extern var stderr: ?*anyopaque; extern fn fputs(__s: [*:0]const u8, __st: ?*anyopaque) c_int; }; var __kt: [4096]u8 = undefined; for (0..(__b.len + __kt.len - 2) / (__kt.len - 1)) |__ki| { const __kn = @min(__kt.len - 1, __b.len - __ki * (__kt.len - 1)); @memcpy(__kt[0..__kn], __b[__ki * (__kt.len - 1)..][0..__kn]); __kt[__kn] = 0; @import("std").mem.doNotOptimizeAway(__kc.fputs(@as([*:0]const u8, @ptrCast(&__kt)), if (__fd == 2) __kc.stderr else __kc.stdout)); } } else { @import("std").mem.doNotOptimizeAway(@import("std").posix.write(__fd, __b) catch @as(usize, 0)); } } fn __kw(comptime __f: []const u8, __a: anytype) void { var __kb: [65536]u8 = undefined; const __ks = @import("std").fmt.bufPrint(&__kb, __f, __a) catch __kb[0..0]; __kout(1, __ks); } }).__kw("list failed\n", .{});
            },
            // >>> BRANCH: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:58  | list xs |>
            .list => |xs| {
                {
for (0..main_module.__koru_store_items.len) |__koru_si| {
const __koru_srf_e_L59_v = main_module.__koru_store_items.v[__koru_si];
_ = &__koru_srf_e_L59_v;
main_module.__store_sweepbody_items_L59_690_252_phantom_borrow_crosses_into_a_query_arm_input_6c3f0e_event.handler(.{ .__koru_srf_e_L59_v = __koru_srf_e_L59_v, .xs = xs, .__koru_sdix_e_L59 = __koru_si });
}
}

                _ = koru_std.koru_list.free_i64_event.handler(.{ .xs = xs });
            },
        }
    }
    pub fn koru_start_flow() void {
        const result_0 = koru_koru.start_event.handler(.{  });
        const result_0_done = result_0.done;
        _ = &result_0_done;
    }
    pub fn koru_end_flow() void {
        const result_0 = koru_koru.end_event.handler(.{  });
        const result_0_done = result_0.done;
        _ = &result_0_done;
    }
    const __KoruStoreT_items = struct {
    v: [8]i64 = undefined,
    len: usize = 0,
};
var __koru_store_items: __KoruStoreT_items = .{};
const __KoruStoreRow_items = struct { v: i64 };
    pub const __store_inserth_items_event = struct {
        pub const Input = struct {
            v: i64,
            __site_line: i64,
        };
        pub const Output = union(enum(u8)) {
            row: i64,
        };
        pub inline fn handler(__koru_event_input: @This().Input) @This().Output {
            return __koru_handler_impl(__koru_event_input.v, __koru_event_input.__site_line);
        }
        fn __koru_handler_impl(__koru_p_0: i64, __koru_p_1: i64) @This().Output {
            const __koru_event_input: @This().Input = .{ .v = __koru_p_0, .__site_line = __koru_p_1 };
            // >>> PROC: __store_inserth_items  [tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:48]
            const v = __koru_event_input.v;
            const __site_line = __koru_event_input.__site_line;
            _ = &v;
            _ = &__site_line;
            _ = &__koru_event_input;
            if (__koru_store_items.len >= 8) @panic("std/store: store 'items' is full (capacity 8) - declared capacity and the `| full` branch are pinned at 690_011");
            const __koru_new_row = __koru_store_items.len;
            __koru_store_items.v[__koru_new_row] = v;
            __koru_store_items.len += 1;
            return .{ .row = @as(i64, @intCast(__koru_new_row)) };

        }
    };
    pub const __store_apply_items_event = struct {
        pub const Input = struct {
            row: usize,
            field: i64,
            value_0: i64,
        };
        pub const Output = union(enum(u8)) {
            v: i64,
        };
        pub fn handler(__koru_event_input: @This().Input) @This().Output {
            // >>> PROC: __store_apply_items  [tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:48]
            const row = __koru_event_input.row;
            const field = __koru_event_input.field;
            const value_0 = __koru_event_input.value_0;
            _ = &row;
            _ = &field;
            _ = &value_0;
            _ = &__koru_event_input;
            const __koru_r: usize = row;
            return switch (field) {
                0 => blk: { __koru_store_items.v[__koru_r] = value_0; break :blk .{ .v = value_0 }; },
                else => unreachable,
            };

        }
    };
    pub const __store_sweepbody_items_L59_690_252_phantom_borrow_crosses_into_a_query_arm_input_6c3f0e_event = struct {
        pub const Input = struct {
            __koru_srf_e_L59_v: i64,
            xs: *koru_std.koru_list.List_i64,
            __koru_sdix_e_L59: usize,
        };
        pub const Output = void;
        pub fn handler(__koru_event_input: @This().Input) @This().Output {
            // >>> SUBFLOW: tests/regression/600_STDLIB/690_STORE/690_252_phantom_borrow_crosses_into_a_query_arm/input.k:58
            const __koru_srf_e_L59_v = __koru_event_input.__koru_srf_e_L59_v;
            const xs = __koru_event_input.xs;
            const __koru_sdix_e_L59 = __koru_event_input.__koru_sdix_e_L59;
            _ = &__koru_srf_e_L59_v;
            _ = &xs;
            _ = &__koru_sdix_e_L59;
            _ = &__koru_event_input;
            const result = koru_std.koru_list.push_i64_event.handler(.{ .xs = xs,  .v = __koru_srf_e_L59_v });
            _ = &result;
const n = koru_std.koru_list.len_i64_event.handler(.{ .xs = xs });
_ = &n;
(struct { fn __kout(__fd: i32, __b: []const u8) void { if (@import("builtin").os.tag == .freestanding) { const __kc = struct { extern var stdout: ?*anyopaque; extern var stderr: ?*anyopaque; extern fn fputs(__s: [*:0]const u8, __st: ?*anyopaque) c_int; }; var __kt: [4096]u8 = undefined; for (0..(__b.len + __kt.len - 2) / (__kt.len - 1)) |__ki| { const __kn = @min(__kt.len - 1, __b.len - __ki * (__kt.len - 1)); @memcpy(__kt[0..__kn], __b[__ki * (__kt.len - 1)..][0..__kn]); __kt[__kn] = 0; @import("std").mem.doNotOptimizeAway(__kc.fputs(@as([*:0]const u8, @ptrCast(&__kt)), if (__fd == 2) __kc.stderr else __kc.stdout)); } } else { @import("std").mem.doNotOptimizeAway(@import("std").posix.write(__fd, __b) catch @as(usize, 0)); } } fn __kw(comptime __f: []const u8, __a: anytype) void { var __kb: [65536]u8 = undefined; const __ks = @import("std").fmt.bufPrint(&__kb, __f, __a) catch __kb[0..0]; __kout(1, __ks); } }).__kw("pushed {d}, len {d}\n", .{__koru_srf_e_L59_v, n});
        }
    };
};

pub const koru_std = struct {
    pub const koru_list = struct {
        const std = @import("std");
        const ast_find = @import("ast");
        const facets = @import("ast_functional").facets;
        pub const List_i64 = struct {
            items: std.ArrayList(i64),
            allocator: std.mem.Allocator,
            fn deinit(self: *List_i64) void {
                self.items.deinit(self.allocator);
                self.allocator.destroy(self);
            }
        };
        fn protoNameDbg(prog: *const astz.Program, elem: []const u8) bool {
            if (findProtoDecl(prog, elem) != null) return true;
            if (programHasProto(prog, elem)) return true;
            return false;
        }
        fn protoEntryName(alloc: std.mem.Allocator, elem: []const u8) ?[]const u8 {
            const trimmed = std.mem.trim(u8, elem, " \t");
            if (trimmed.len == 0) return null;
            const name = if (std.mem.lastIndexOfScalar(u8, trimmed, ':')) |ci|
                std.mem.trim(u8, trimmed[ci + 1 ..], " \t")
            else
                trimmed;
            if (name.len == 0) return null;
            const primitives = [_][]const u8{ "i64", "i32", "i16", "i8", "u64", "u32", "u16", "u8", "f64", "f32", "bool", "usize", "string", "void", "char" };
            for (primitives) |p| {
                if (std.mem.eql(u8, name, p)) return null;
            }
            return alloc.dupe(u8, name) catch unreachable;
        }
        const ProtoFields = struct {
            names: []const []const u8,
            types: []const []const u8,
        };
        fn declEntryName(inv: *const ast_find.Invocation) []const u8 {
            if (inv.args.len == 0) return "";
            const a0 = inv.args[0];
            if (a0.had_explicit_label) {
                const label = std.mem.trim(u8, a0.name, " \t");
                if (std.mem.endsWith(u8, label, "<"))
                    return std.mem.trim(u8, label[0 .. label.len - 1], " \t");
                return label;
            }
            return inv.args[0].value;
        }
        fn protoParentSpec(inv: *const ast_find.Invocation) ?[]const u8 {
            if (inv.args.len == 0) return null;
            const a0 = inv.args[0];
            if (!a0.had_explicit_label) return null;
            const label = std.mem.trim(u8, a0.name, " \t");
            if (!std.mem.endsWith(u8, label, "<")) return null;
            const v = std.mem.trim(u8, a0.value, " \t");
            return if (v.len > 0) v else null;
        }
        fn findProtoDecl(prog: *const ast_find.Program, elem: []const u8) ?*const ast_find.Flow {
            const trimmed = std.mem.trim(u8, elem, " \t");
            const want_name = if (std.mem.lastIndexOfScalar(u8, trimmed, ':')) |ci|
                std.mem.trim(u8, trimmed[ci + 1 ..], " \t")
            else
                trimmed;
            var want_mod: ?[]const u8 = null;
            if (std.mem.lastIndexOfScalar(u8, trimmed, ':')) |ci| {
                const qual = std.mem.trim(u8, trimmed[0..ci], " \t");
                if (qual.len > 0) {
                    const dotted = std.mem.replaceOwned(u8, std.heap.page_allocator, qual, "/", ".") catch unreachable;
                    want_mod = dotted;
                }
            }
            const Finder = struct {
                fn invokesProto(f: *const ast_find.Flow, name: []const u8, mod: ?[]const u8) bool {
                    const inv = f.inv();
                    if (inv.path.segments.len != 1) return false;
                    const verb = inv.path.segments[0];
                    const mq = inv.path.module_qualifier orelse return false;
                    const types_door = std.mem.eql(u8, verb, "proto") and
                        (std.mem.eql(u8, mq, "std.types") or std.mem.eql(u8, mq, "std/types"));
                    const default_door = std.mem.eql(u8, verb, "default") and
                        (std.mem.eql(u8, mq, "std.proto") or std.mem.eql(u8, mq, "std/proto"));
                    if (!(types_door or default_door)) return false;
                    if (inv.args.len == 0) return false;
                    var nm = declEntryName(inv);
                    if (nm.len >= 2 and nm[0] == '"' and nm[nm.len - 1] == '"') nm = nm[1 .. nm.len - 1];
                    if (!std.mem.eql(u8, nm, name)) return false;
                    if (mod) |m| {
                        if (f.module.len > 0 and std.mem.eql(u8, f.module, m)) return true;
                        return false;
                    }
                    return true;
                }
                fn findIn(items: []const ast_find.Item, name: []const u8, mod: ?[]const u8) ?*const ast_find.Flow {
                    for (items) |pi| {
                        switch (pi) {
                            .flow => |*f| {
                                if (invokesProto(f, name, mod)) return f;
                            },
                            .module_decl => |*m| {
                                if (findIn(m.items, name, mod)) |hit| return hit;
                            },
                            else => {},
                        }
                    }
                    return null;
                }
            };
            return Finder.findIn(prog.items, want_name, want_mod);
        }
        fn programHasProto(prog: *const ast_find.Program, elem: []const u8) bool {
            if (findProtoDecl(prog, elem)) |_| return true;
            const trimmed = std.mem.trim(u8, elem, " \t");
            const want_name = if (std.mem.lastIndexOfScalar(u8, trimmed, ':')) |ci|
                std.mem.trim(u8, trimmed[ci + 1 ..], " \t")
            else
                trimmed;
            var want_mod: ?[]const u8 = null;
            if (std.mem.lastIndexOfScalar(u8, trimmed, ':')) |ci| {
                const qual = std.mem.trim(u8, trimmed[0..ci], " \t");
                if (qual.len > 0) {
                    want_mod = std.mem.replaceOwned(u8, std.heap.page_allocator, qual, "/", ".") catch unreachable;
                }
            }
            const Marker = struct {
                fn matches(ic: *const ast_find.InlineCode, name: []const u8, mod: ?[]const u8) bool {
                    const prefix = "// proto ";
                    if (!std.mem.startsWith(u8, ic.code, prefix)) return false;
                    const colon = std.mem.indexOfScalar(u8, ic.code, ':') orelse return false;
                    if (!std.mem.eql(u8, std.mem.trim(u8, ic.code[prefix.len..colon], " \t"), name)) return false;
                    if (mod) |m| {
                        if (ic.module.len > 0 and std.mem.eql(u8, ic.module, m)) return true;
                        return false;
                    }
                    return true;
                }
                fn find(items: []const ast_find.Item, name: []const u8, mod: ?[]const u8) bool {
                    for (items) |pi| {
                        switch

... [truncated - 69KB total]
Emitted C# source
static class main_module {
  public static void __koru_stdout_write(dynamic s) => global::System.Console.Out.Write(s);
  public static void __koru_stderr_write(dynamic s) => global::System.Console.Error.Write(s);
  // The mutable handle carrier — `*String`-style resources are
  // `new __KoruBox { data = … }` because C# anonymous types are
  // read-only: `s.data = …` (std/string append/clear, handle
  // mutation generally) needs a settable member.
  public class __KoruBox { public dynamic data; }
  // Textification for `{{ … }}` operands: C# bool ToStrings as
  // `True` where Koru prints `true`, and the operand's static type
  // is unknown at this boundary — a `(x) is bool` inline test would
  // be a compile error on statically-typed operands instead. Generic
  // on purpose: `dynamic` boxed every value-type operand — measured
  // ~1s/10M elements on 012_threat_scanner — while T specializes to
  // the operand's own ToString() with no box.
  public static string __koru_str<T>(T v) => v is bool b ? (b ? "true" : "false") : v?.ToString();
  // std/store: plural store 'items' created (SoA cell + insert/query/write/take/stripe units); fields v: i64
  static class __koru_store_items {
    public static long[] v = new long[8];
    public static long len = 0;
    public static long __koru_brand = -1;
}

  public static class __store_inserth_items_event {
    public struct Input {
      public long v;
      public long __site_line;
    }
    public struct Output {
      public string tag;
      public long row;
    }
    public static Output handler(Input __koru_input) {
      var v = __koru_input.v;
      var __site_line = __koru_input.__site_line;
      if (__koru_store_items.len >= 8) throw new global::System.Exception("std/store: store 'items' is full (capacity 8) - declared capacity and the `| full` branch are pinned at 690_011");
      long __koru_new_row = __koru_store_items.len;
      __koru_store_items.v[__koru_new_row] = v;
      __koru_store_items.len += 1;
      return new Output { tag = "row", row = __koru_new_row };

      return default;

    }
  }
  public static class __store_apply_items_event {
    public struct Input {
      public long row;
      public long field;
      public long value_0;
    }
    public struct Output {
      public string tag;
      public long v;
    }
    public static Output handler(Input __koru_input) {
      var row = __koru_input.row;
      var field = __koru_input.field;
      var value_0 = __koru_input.value_0;
      var __koru_r = row;
      switch (field) {
      case 0: { __koru_store_items.v[__koru_r] = value_0; return new Output { tag = "v", v = value_0 }; }
      }
      throw new global::System.Exception("__store_apply_items: field index " + field + " is not a column of store 'items'");

      return default;

    }
  }
  public static class __store_sweepbody_items_L59_690_252_phantom_borrow_crosses_into_a_query_arm_input_6c3f0e_event {
    public struct Input {
      public long __koru_srf_e_L59_v;
      public dynamic xs;
      public long __koru_sdix_e_L59;
    }
    public static dynamic handler(Input __koru_input) {
      var __koru_srf_e_L59_v = __koru_input.__koru_srf_e_L59_v;
      var xs = __koru_input.xs;
      var __koru_sdix_e_L59 = __koru_input.__koru_sdix_e_L59;
      main_module.std_list_push_i64_event.handler(new std_list_push_i64_event.Input { xs = xs, v = (long)(__koru_srf_e_L59_v)});
      var n = main_module.std_list_len_i64_event.handler(new std_list_len_i64_event.Input { xs = xs});
__koru_stdout_write("pushed " + __koru_str(__koru_srf_e_L59_v) + ", len " + __koru_str(n) + "\n");

      return default;

    }
  }
  public static class std_io_print_ln_event {
    public struct Input {
      public dynamic expr;
      public dynamic invocation;
      public dynamic item;
      public dynamic program;
      public dynamic reporter;
      public dynamic allocator;
    }
    public static dynamic handler(Input __koru_input) {
      var expr = __koru_input.expr;
      var invocation = __koru_input.invocation;
      var item = __koru_input.item;
      var program = __koru_input.program;
      var reporter = __koru_input.reporter;
      var allocator = __koru_input.allocator;
      throw new global::System.Exception("ln: [transform] tor is lowered at compile time and must never be called");

    }
  }
  public static class std_list_new_i64_event {
    public struct Input {
    }
    public static dynamic handler(dynamic __koru_input) {
      throw new global::System.Exception("std.list:new-i64 has no C# implementation — its body resolves only to a non-cs target (|zig / [comptime]), directly or through a callee");
    }
  }
  public static class std_list_free_i64_event {
    public struct Input {
      public dynamic xs;
    }
    public static dynamic handler(dynamic __koru_input) {
      throw new global::System.Exception("std.list:free-i64 has no C# implementation — its body resolves only to a non-cs target (|zig / [comptime]), directly or through a callee");
    }
  }
  public static void flow0() {
    var result_0 = main_module.__store_inserth_items_event.handler(new __store_inserth_items_event.Input { v = (long)(10), __site_line = (long)(50)});
    var _auto_6 = result_0.row;
  }
  public static void flow1() {
    var result_1 = main_module.__store_inserth_items_event.handler(new __store_inserth_items_event.Input { v = (long)(20), __site_line = (long)(52)});
    var _auto_7 = result_1.row;
  }
  public static void flow2() {
    var result_2 = main_module.__store_inserth_items_event.handler(new __store_inserth_items_event.Input { v = (long)(30), __site_line = (long)(54)});
    var _auto_8 = result_2.row;
  }
  public static void flow3() {
    var result_3 = main_module.std_list_new_i64_event.handler(new std_list_new_i64_event.Input { });
    if (result_3.tag == "list") {
      var xs = result_3.list;
      {
      for (var __koru_si = 0; __koru_si < __koru_store_items.len; __koru_si++) {
      var __koru_srf_e_L59_v = __koru_store_items.v[__koru_si];
      main_module.__store_sweepbody_items_L59_690_252_phantom_borrow_crosses_into_a_query_arm_input_6c3f0e_event.handler(new main_module.__store_sweepbody_items_L59_690_252_phantom_borrow_crosses_into_a_query_arm_input_6c3f0e_event.Input { __koru_srf_e_L59_v = __koru_srf_e_L59_v, xs = xs, __koru_sdix_e_L59 = __koru_si });
      }
      }
      main_module.std_list_free_i64_event.handler(new std_list_free_i64_event.Input { xs = xs});
    }
    if (result_3.tag == "err") {
      var _auto_9 = result_3.err;
__koru_stdout_write("list failed" + "\n");
    }
  }
}

static class Program {
  static void Main() {
    main_module.flow0();
    main_module.flow1();
    main_module.flow2();
    main_module.flow3();
  }
}

Flows

flow ~new click a branch to expand · @labels scroll to their anchor
new (items, capacity: 8, source: v: i64)
flow ~insert click a branch to expand · @labels scroll to their anchor
insert (items, source: v: 10)
flow ~insert click a branch to expand · @labels scroll to their anchor
insert (items, source: v: 20)
flow ~insert click a branch to expand · @labels scroll to their anchor
insert (items, source: v: 30)
flow ~new-i64 click a branch to expand · @labels scroll to their anchor
new-i64

Test Configuration

MUST_RUN