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instance method

String#to_sym

() -> ::Symbol

to_sym

VALUE
rb_str_intern(VALUE str)
{
    return sym_find_or_insert_dynamic_symbol(&ruby_global_symbols, str);
}

Alias of #intern

Returns the Symbol object derived from self, creating it if it did not already exist:

Example

'foo'.intern       # => :foo
'こんにちは'.intern # => :こんにちは

See also #intern #to_str #tr #to_s also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0