Data update
This commit is contained in:
parent
ed705008a8
commit
0df55f9f24
2196 changed files with 32999 additions and 3075 deletions
11
Task/Undefined-values/Forth/undefined-values.fth
Normal file
11
Task/Undefined-values/Forth/undefined-values.fth
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
[undefined] var [if] .( var is undefined at first check) cr [then]
|
||||
|
||||
marker forget-var
|
||||
|
||||
variable var
|
||||
|
||||
[defined] var [if] .( var is defined at second check) cr [then]
|
||||
|
||||
forget-var
|
||||
|
||||
[undefined] var [if] .( var is undefined at third check) cr [then]
|
||||
Loading…
Add table
Add a link
Reference in a new issue