2017-10-09 9 views

Répondre

3

Peut-être comme

until [name: ask "What's your name? " also name = "noname" print ["nice to meet you" name]] 

ou

until [ 
    name: ask "What's your name? " 
    either empty? name [ 
     true 
    ] [ 
     print ["nice to meet you" name] 
     false 
    ] 
] 

ou

while [not empty? name: ask "What's your name? "][print ["nice to meet you" name]]