method

id2name

v1_8_7_330 - Show latest stable - 0 notes - Class: Fixnum

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id2name() public

Returns the name of the object whose symbol id is fix. If there is no symbol in the symbol table with this value, returns nil. id2name has nothing to do with the Object.id method. See also Fixnum#to_sym, String#intern, and class Symbol.

symbol = :@inst_var    #=> :@inst_var
id     = symbol.to_i   #=> 9818
id.id2name             #=> "@inst_var"

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/*
 *  call-seq:
 *     fix.id2name -> string or nil
 *
 *  Returns the name of the object whose symbol id is <i>fix</i>. If
 *  there is no symbol in the symbol table with this value, returns
 *  <code>nil</code>. <code>id2name</code> has nothing to do with the
 *  <code>Object.id</code> method. See also <code>Fixnum#to_sym</code>,
 *  <code>String#intern</code>, and class <code>Symbol</code>.
 *
 *     symbol = :@inst_var    #=> :@inst_var
 *     id     = symbol.to_i   #=> 9818
 *     id.id2name             #=> "@inst_var"
 */

static VALUE
fix_id2name(fix)
    VALUE fix;
{
    const char *name = rb_id2name(FIX2UINT(fix));
    if (name) return rb_str_new2(name);
    return Qnil;
}

id2name

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