Red Knot - Infer the return value of bool() #13538
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TomerBin
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carljm,
MichaReiser and
AlexWaygood
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CodSpeed Performance ReportMerging #13538 will not alter performanceComparing Summary
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carljm
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| return if function_type == builtins_symbol_ty(self.db, "bool") { | ||
| self.infer_bool_call_expression(arg_types.as_slice()) |
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This should happen inside Type::call instead of here, and it should use FunctionType::is_stdlib_symbol instead of querying the builtin type and comparing for equality.
Slyces
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Sep 27, 2024
carljm
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Sep 27, 2024
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Summary
Following #13449, this PR adds custom handling for the bool contractor, so when the input type has statically known truthiness value, it will be used as the return value of the bool function.
For example, in the following snippet x will now be resolved to
Literal[True]instead ofbool.Test Plan
Some cargo tests were added.