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Jeff Epler
e29bcdcb7b
Document the behavior on expression annotations rejected by CPython but accepted by MicroPython. Closes issue #19031. Signed-off-by: Jeff Epler <jepler@unpythonic.net>
25 lines
600 B
Python
25 lines
600 B
Python
"""
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categories: Syntax,Annotations
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description: MicroPython accepts type annotations on expressions where CPython forbids them.
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cause: To reduce code size, MicroPython does not check the form of expressions with type annotations applied.
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workaround: Always check for valid Python code using a linting tool.
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The expressions themselves are not evaluated.
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"""
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def test(expr):
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code = f"def f():\n {expr}: int"
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print(code)
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try:
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exec(code)
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print("OK")
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except SyntaxError as e:
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print("SyntaxError")
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print()
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test("print('test')")
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test("[x,y]")
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test("x,y")
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