View Source String.Chars protocol (Elixir v1.14.5)

The String.Chars protocol is responsible for converting a structure to a binary (only if applicable).

The only function required to be implemented is to_string/1, which does the conversion.

The to_string/1 function automatically imported by Kernel invokes this protocol. String interpolation also invokes to_string/1 in its arguments. For example, "foo#{bar}" is the same as "foo" <> to_string(bar).

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Converts term to a string.

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@spec to_string(t()) :: String.t()

Converts term to a string.