29 lines
781 B
Factor
29 lines
781 B
Factor
USING: kernel math math.parser random io ;
|
|
IN: numbers-game
|
|
|
|
: read-number ( -- n ) readln string>number ;
|
|
|
|
: guess-banner ( -- )
|
|
"I'm thinking of a number between 0 and 100." print ;
|
|
: guess-prompt ( -- ) "Enter your guess: " write ;
|
|
: too-high ( -- ) "Too high" print ;
|
|
: too-low ( -- ) "Too low" print ;
|
|
: correct ( -- ) "Correct - you win!" print ;
|
|
|
|
: inexact-guess ( actual guess -- )
|
|
< [ too-high ] [ too-low ] if ;
|
|
|
|
: judge-guess ( actual guess -- ? )
|
|
2dup = [ 2drop correct f ] [ inexact-guess t ] if ;
|
|
|
|
: number-to-guess ( -- n ) 100 random ;
|
|
|
|
: numbers-game-loop ( actual -- )
|
|
dup guess-prompt read-number judge-guess
|
|
[ numbers-game-loop ] [ drop ] if ;
|
|
|
|
: numbers-game ( -- )
|
|
guess-banner number-to-guess numbers-game-loop ;
|
|
|
|
MAIN: numbers-game
|