verbs return 1 if true, 0 if false
data type verbs check the data, not the internal representation.
For example, 1j1-0j1 is considered boolean, though stored as complex.
Examples:
5 10 inrange i.12
'()' isbalanced '(123(45))'
Name |
Type |
Description |
inrange |
verb |
(low, high) inrange data |
isbalanced |
verb |
pair isbalanced string |
isboolean |
verb |
data is all 0 or 1 |
isboxed |
verb |
is boxed |
ischaracter |
verb |
data is character |
iscomplex |
verb |
data is complex |
iscounter |
verb |
data is non-negative integer (counting number) |
isdate |
verb |
is date (as yyyy mm dd) |
isempty |
verb |
data is empty |
isinteger |
verb |
data is all integer |
ismatrix |
verb |
data is a matrix |
isnumeric |
verb |
data is numeric |
isrational |
verb |
data is rational |
isreal |
verb |
data is all real |
isscalar |
verb |
data is a scalar |
isunicode |
verb |
data is unicode |
isunique |
verb |
data has no duplicates |
isutf8 |
verb |
text is valid UTF-8 |
isvector |
verb |
data is a vector |
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