kc3-lang/kc3/doc/1_KC3/1.04_Bool.en.md

• Show log

  Commit

• Hash : d41f2661
  Author : Thomas de Grivel
  Date : 2025-05-18T20:36:15
  

  fix doc nav and links
  

Download

ikc3> true && true
true
ikc3> true && false
false
ikc3> if "" do "ok" else "ko" end
"ok"
ikc3> if 1 do "ok" else "ko" end
"ok"
ikc3> if 0 do "ko" else "ok" end
"ok"
ikc3> (Bool) ""
true
ikc3> (Bool) 1
true
ikc3> (Bool) 0
false
ikc3> "ok" == "ok"
true
ikc3> "ok" == "ko"
false

Source

• doc/1_KC3/1.04_Bool.en.md

• # 1.4 Bool
  
  Booleans can have only two values : `false` or `true`.
  
  They can be casted to integer types, `false` being `0` and
  true being `1`.
  
  You can cast any type to a boolean : integers `0` and character NUL
  being `false` and everything else being `true`. This is useful for
  boolean operations : accept any tag as a condition and if it
  evaluates to `true` after a cast then proceed. This is how
  `if_then_else` and `while` and many KC3 operators are implemented.
  
  ## 1.4.1 Examples
  
  ```
  ikc3> true && true
  true
  ikc3> true && false
  false
  ikc3> if "" do "ok" else "ko" end
  "ok"
  ikc3> if 1 do "ok" else "ko" end
  "ok"
  ikc3> if 0 do "ko" else "ok" end
  "ok"
  ikc3> (Bool) ""
  true
  ikc3> (Bool) 1
  true
  ikc3> (Bool) 0
  false
  ikc3> "ok" == "ok"
  true
  ikc3> "ok" == "ko"
  false
  ```
  
  ---
  
  Top : [KC3 documentation](../)
  
  Previous : [1.03 Block](1.03_Block)
  
  Next : [1.05 Callable](1.05_Callable)
  

Download