16 lines
473 B
Rust
16 lines
473 B
Rust
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use crate::{
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lexic::token::{Token, TokenType},
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utils::Result3,
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};
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pub fn try_token_type(tokens: &Vec<Token>, pos: usize, token_type: TokenType) -> Result3<&Token> {
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match tokens.get(pos) {
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Some(t) if t.token_type == token_type => Result3::Ok(t),
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Some(t) if t.token_type == TokenType::Semicolon || t.token_type == TokenType::EOF => {
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Result3::None
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}
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Some(t) => Result3::Err(t),
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None => Result3::None,
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}
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}
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