053 reject underscore name

✓ Passing This code compiles and runs correctly.

Code

// codemod:skip — this negative test MUST keep its snake name to exercise the rule.
// PIN (kebab): `_` is not a legal Koru name char. A snake event name must be
// REJECTED (KORU034) — use `-` (kebab) for word separation; `_` is reserved for
// digit separators in numeric literals (rule G4). The "we won't accept both"
// enforcement: the old snake form must fail loudly.
~import std/io

~tor foo_bar {}

~std/io:print.ln("underscore should have been rejected")

input.kz

Must fail at frontend compile:

Parsing or type-checking must reject the program.

Expected patterns

Each line is a regex that must match the program output.

error\[KORU034\]:.*'_' is not allowed in a Koru tor name 'foo_bar'

Flows

flow ~print.ln click a branch to expand · @labels scroll to their anchor

print.ln (expr: "underscore should have been rejected")

← 052 slash namespace 054 println removed →