elixir-mint / mint / 7bb2e5bf376de14cf298d262e723658c7c60747f-PR-423

88%

main: 87%

Pull #423

github

HTTP/2: Optimize check for CONNECT method in header creation

`String.upcase/1` by default iterates over the graphemes in the
input string which can be relatively slow. Since we're only interested
in case-insensitive equality, we can write a small custom equality
checking function that can avoid creating new terms and can return
early.

Using a charlist is slightly faster than passing `"CONNECT"` as a
binary.

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