tseeker-pub/rust-crafting-interpreters-part-1
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Scanner - Allow identifiers with a leading '_'

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Emmanuel BENOîT 2023-01-07 11:39:19 +01:00
parent 4bce85e14b
commit 670b50e8cd
1 changed files with 1 additions and 1 deletions
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src/scanner.rs
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@ -143,7 +143,7 @@ impl Scanner {
// Numbers // Numbers
ch if ch.is_ascii_digit() => self.number(), ch if ch.is_ascii_digit() => self.number(),
// Identifiers // Identifiers
ch if ch.is_ascii_alphabetic() => self.identifier(), ch if ch.is_ascii_alphabetic() || ch == '_' => self.identifier(),
// Anything else is an error // Anything else is an error
_ => self.error("unexpected character".to_owned()), _ => self.error("unexpected character".to_owned()),
} }