Add frozen string literal comment and remove string mutation

sferik / multi_xml

A generic swappable back-end for XML parsing

MIT License

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Add frozen string literal comment and remove string mutation #64

Closed TheSmartnik closed 1 year ago

TheSmartnik commented 5 years ago

@sferik Hi! Currently multi_xml heavily mutates strings, which prevents any code that depends on it from running with RUBYOPT="--enable-frozen-string-literal" environmental variable