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instance method

Symbol#upcase

() -> ::Symbol
(:ascii | :lithuanian | :turkic) -> ::Symbol
(:lithuanian, :turkic) -> ::Symbol
(:turkic, :lithuanian) -> ::Symbol
upcase(mapping) → symbol

Equivalent to sym.to_s.upcase.to_sym.

See String#upcase.

See also #to_sym #to_s also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0