forked from M-Labs/nac3
direct impl fold trait on InferenceContext, now code is cleaner, need further test and review
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@ -8,6 +8,7 @@ use crate::typecheck::primitives;
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use rustpython_parser::ast;
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use rustpython_parser::ast::fold::Fold;
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// REVIEW: direct impl fold trait on InferenceContext
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impl<'a> ast::fold::Fold<Option<Type>> for InferenceContext<'a> {
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type TargetU = Option<Type>;
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type Error = String;
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@ -379,6 +380,7 @@ impl<'a> InferenceContext<'a> {
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}
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}
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// some pre-folds need special handling
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fn prefold_list_comprehension(&mut self, expr: ast::Expr<Option<Type>>) -> Result<ast::Expr<Option<Type>>, String> {
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if let ast::Expr {
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location,
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