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Custom syntax parser function takes &[String].

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This commit is contained in:
Stephen Chung
2020-10-26 19:46:58 +08:00
parent b467b18722
commit 7496c77ac9
4 changed files with 62 additions and 37 deletions
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6
src/syntax.rs
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@@ -27,11 +27,11 @@ pub type FnCustomSyntaxEval =
/// A general expression parsing trait object.
#[cfg(not(feature = "sync"))]
pub type FnCustomSyntaxParse = dyn Fn(&[&String]) -> Result<Option<ImmutableString>, ParseError>;
pub type FnCustomSyntaxParse = dyn Fn(&[String]) -> Result<Option<ImmutableString>, ParseError>;
/// A general expression parsing trait object.
#[cfg(feature = "sync")]
pub type FnCustomSyntaxParse =
dyn Fn(&[&String]) -> Result<Option<ImmutableString>, ParseError> + Send + Sync;
dyn Fn(&[String]) -> Result<Option<ImmutableString>, ParseError> + Send + Sync;
/// An expression sub-tree in an AST.
#[derive(Debug, Clone, Hash)]
@@ -204,7 +204,7 @@ impl Engine {
pub fn register_custom_syntax_raw(
&mut self,
key: impl Into<ImmutableString>,
parse: impl Fn(&[&String]) -> Result<Option<ImmutableString>, ParseError> + SendSync + 'static,
parse: impl Fn(&[String]) -> Result<Option<ImmutableString>, ParseError> + SendSync + 'static,
new_vars: isize,
func: impl Fn(&mut EvalContext, &[Expression]) -> Result<Dynamic, Box<EvalAltResult>>
+ SendSync