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134. invert

VBScript

JScript

Perl

%to_num = (t=>1, f=>0);
%to_let = reverse %to_num;

PHP

$to_num = array("t"=>1, "f"=>0);
$to_let = array_flip($to_num);

Python

to_num = {'t':1, 'f':0}
# dict comprehensions added in 2.7:
to_let = {v:k for k, v
  in to_num.items()}

Ruby

to_num = {"t"=>1, "f"=>0}
to_let = to_num.invert

PowerShell

Scala

F#

C

C++

C++Builder

VC++

C#

Java

Objective-C

D

VB

VB.NET

Delphi

Ada

PL/SQL

T-SQL