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instance method
String#chop!
str.chop! → str or nil
string.c
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static VALUE
rb_str_chop_bang(VALUE str)
{
str_modify_keep_cr(str);
if (RSTRING_LEN(str) > 0) {
long len;
len = chopped_length(str);
STR_SET_LEN(str, len);
TERM_FILL(&RSTRING_PTR(str)[len], TERM_LEN(str));
if (ENC_CODERANGE(str) != ENC_CODERANGE_7BIT) {
ENC_CODERANGE_CLEAR(str);
}
return str;
}
return Qnil;
}
Processes str as for String#chop, returning str, or nil if str is the empty string. See also String#chomp!.