Minor cleanup.

This commit is contained in:
Stephen Chung 2022-05-02 12:14:53 +08:00
parent c69f98c2c4
commit 4f74d2f96a
3 changed files with 9 additions and 17 deletions

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@ -331,7 +331,7 @@ impl Engine {
/// ///
/// The implementation function has the following signature: /// The implementation function has the following signature:
/// ///
/// > `Fn(symbols: &[ImmutableString], look_ahead: &str) -> Result<Option<ImmutableString>, ParseError>` /// `Fn(symbols: &[ImmutableString], look_ahead: &str) -> Result<Option<ImmutableString>, ParseError>`
/// ///
/// where: /// where:
/// * `symbols`: a slice of symbols that have been parsed so far, possibly containing `$expr$` and/or `$block$`; /// * `symbols`: a slice of symbols that have been parsed so far, possibly containing `$expr$` and/or `$block$`;

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@ -27,7 +27,7 @@ impl Engine {
/// ///
/// # Callback Function Signature /// # Callback Function Signature
/// ///
/// > `Fn(name: &str, index: usize, context: EvalContext) -> Result<Option<Dynamic>, Box<EvalAltResult>>` /// `Fn(name: &str, index: usize, context: EvalContext) -> Result<Option<Dynamic>, Box<EvalAltResult>>`
/// ///
/// where: /// where:
/// * `name`: name of the variable. /// * `name`: name of the variable.
@ -87,7 +87,7 @@ impl Engine {
/// ///
/// # Callback Function Signature /// # Callback Function Signature
/// ///
/// > `Fn(is_runtime: bool, info: VarInfo, context: EvalContext) -> Result<bool, Box<EvalAltResult>>` /// `Fn(is_runtime: bool, info: VarInfo, context: EvalContext) -> Result<bool, Box<EvalAltResult>>`
/// ///
/// where: /// where:
/// * `is_runtime`: `true` if the variable definition event happens during runtime, `false` if during compilation. /// * `is_runtime`: `true` if the variable definition event happens during runtime, `false` if during compilation.
@ -148,7 +148,7 @@ impl Engine {
/// ///
/// # Callback Function Signature /// # Callback Function Signature
/// ///
/// > `Fn(token: Token, pos: Position, state: &TokenizeState) -> Token` /// `Fn(token: Token, pos: Position, state: &TokenizeState) -> Token`
/// ///
/// where: /// where:
/// * [`token`][crate::tokenizer::Token]: current token parsed /// * [`token`][crate::tokenizer::Token]: current token parsed
@ -210,9 +210,7 @@ impl Engine {
/// ///
/// # Callback Function Signature /// # Callback Function Signature
/// ///
/// The callback function signature takes the following form: /// `Fn(counter: u64) -> Option<Dynamic>`
///
/// > `Fn(counter: u64) -> Option<Dynamic>`
/// ///
/// ## Return value /// ## Return value
/// ///
@ -295,7 +293,7 @@ impl Engine {
/// ///
/// The callback function signature passed takes the following form: /// The callback function signature passed takes the following form:
/// ///
/// > `Fn(text: &str, source: Option<&str>, pos: Position)` /// `Fn(text: &str, source: Option<&str>, pos: Position)`
/// ///
/// where: /// where:
/// * `text`: the text to display /// * `text`: the text to display

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@ -202,15 +202,9 @@ fn test_var_def_filter() -> Result<(), Box<EvalAltResult>> {
let ast = engine.compile("let x = 42;")?; let ast = engine.compile("let x = 42;")?;
engine.run_ast(&ast)?; engine.run_ast(&ast)?;
engine.on_def_var(|_, info, mut ctx| { engine.on_def_var(|_, info, _| match (info.name, info.nesting_level) {
if ctx.tag().is::<()>() { ("x", 0 | 1) => Ok(false),
*ctx.tag_mut() = rhai::Dynamic::ONE; _ => Ok(true),
}
println!("Tag = {}", ctx.tag());
match (info.name, info.nesting_level) {
("x", 0 | 1) => Ok(false),
_ => Ok(true),
}
}); });
assert_eq!( assert_eq!(