►Pyret
▼3 Builtins and Libraries
3.1 Global Utilities
3.2 Numbers
3.3 Strings
3.4 Booleans
3.5 Raw  Array
3.6 Tables
3.7 lists
3.8 sets
3.9 arrays
3.10 string-dict
3.11 option
3.12 pick
3.13 either
3.14 srcloc
3.15 pprint
3.16 s-exp
3.17 s-exp-structs
3.18 color
3.19 image-structs
3.20 The image libraries
3.21 world
3.22 gdrive-sheets
3.23 data-source
3.24 reactors
3.25 chart
3.26 plot
3.27 statistics
3.28 math
►3.4 Booleans
On this page:
Boolean
3.4.1 Boolean Functions
not
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3.4 Booleans

Boolean
The type of the values true and false.

3.4.1 Boolean Functions

not :: (b :: Boolean) -> Boolean

Returns true when given false and vice versa.

Examples:
check:
  not(true) is false
  not(2 < 1) is true
end

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