<!-- Thank you for contributing to Ruff! To help us out with reviewing, please consider the following: - Does this pull request include a summary of the change? (See below.) - Does this pull request include a descriptive title? - Does this pull request include references to any relevant issues? --> ## Summary - Remove `Type::Unbound` - Handle (potential) unboundness as a concept orthogonal to the type system (see new `Symbol` type) - Improve existing and add new diagnostics related to (potential) unboundness closes #13671 ## Test Plan - Update existing markdown-based tests - Add new tests for added/modified functionality
474 B
474 B
Pattern matching
With wildcard
match 0:
case 1:
y = 2
case _:
y = 3
reveal_type(y) # revealed: Literal[2, 3]
Without wildcard
match 0:
case 1:
y = 2
case 2:
y = 3
# revealed: Literal[2, 3]
# error: [possibly-unresolved-reference]
reveal_type(y)
Basic match
y = 1
y = 2
match 0:
case 1:
y = 3
case 2:
y = 4
reveal_type(y) # revealed: Literal[2, 3, 4]