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Add merge/+ to AST.

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This commit is contained in:
Stephen Chung
2020-03-27 11:50:24 +08:00
parent a8b270a661
commit cc8554d095
2 changed files with 81 additions and 7 deletions
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18
src/engine.rs
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@@ -269,13 +269,17 @@ impl Engine<'_> {
let result = func(args, pos)?;
// See if the function match print/debug (which requires special processing)
match fn_name {
KEYWORD_PRINT => self.on_print.as_mut()(cast_to_string(result.as_ref(), pos)?),
KEYWORD_DEBUG => self.on_debug.as_mut()(cast_to_string(result.as_ref(), pos)?),
_ => (),
}
return Ok(result);
return Ok(match fn_name {
KEYWORD_PRINT => {
self.on_print.as_mut()(cast_to_string(result.as_ref(), pos)?);
().into_dynamic()
}
KEYWORD_DEBUG => {
self.on_debug.as_mut()(cast_to_string(result.as_ref(), pos)?);
().into_dynamic()
}
_ => result,
});
}
if fn_name.starts_with(FUNC_GETTER) {