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instance method

Encoding#ascii_compatible?

() -> bool

enc.ascii_compatible? → true or false

static VALUE
enc_ascii_compatible_p(VALUE enc)
{
    return RBOOL(rb_enc_asciicompat(must_encoding(enc)));
}

Returns whether ASCII-compatible or not.

Example

Encoding::UTF_8.ascii_compatible?     #=> true
Encoding::UTF_16BE.ascii_compatible?  #=> false

See also .name_list #dummy? .locale_charmap #inspect also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0