►Pyret
►3 Builtins and Libraries
▼3.1 General-Purpose Libraries
3.1.1 Global Utilities
3.1.2 Numbers
3.1.3 Strings
3.1.4 Booleans
3.1.5 option
3.1.6 either
3.1.7 pick
3.1.8 lists
3.1.9 sets
3.1.10 arrays
3.1.11 string-dict
3.1.12 Tables
3.1.13 gdrive-sheets
3.1.14 csv
3.1.15 color
3.1.16 The image libraries
3.1.17 reactors
3.1.18 chart
3.1.19 plot
3.1.20 statistics
3.1.21 math
3.1.22 matrices
3.1.23 Timing
3.1.24 fetch
►3.1.4 Booleans
On this page:
Boolean
3.1.4.1 Boolean Functions
not
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3.1.4 Booleans🔗

Boolean
The type of the values true and false.

3.1.4.1 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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