assert_matches

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Propose this to libstd in an RFC

2

Hi! I found myself implementing a very similar macro a few times. I called it `assert_pat`, but it did virtually the same thing. Today I thought I should create an...

faern

Atul9

Permit trailing commas in macro invocations

4

This commit uses the `?` operator to support optional trailing commas in macro calls without requiring the call to use the panic-message arms. The `?` macro operator was stabilized in...

myrrlyn