examine.constraints
Functions that yield constraints and a set of default constraints.
for-each
(for-each f)
Returns constraint-fn that applies constraint-fn f to cartesian
product of collections.
from-pred
(from-pred pred message)
Takes a predicate and a message and returns a constraint.
has-items
Constraint-fn that passes if collection is not empty.
in-range
(in-range min max)
Returns constraint-fn that passes if number is at
least min, at most max.
is-boolean
(is-boolean x)
Constraint-fn that passes if value is true or false.
is-integer
Constraint-fn that passes if value is an integer.
is-number
Constraint-fn that passes if value is a number.
is-string
Constraint-fn that passes if value is a string.
matches-re
(matches-re re)
Returns constraint-fn that passes if string matches
regular expression re.
max-length
(max-length n)
Returns constraint-fn that passes if collection or
string has at most n items/characters.
min-le-max
Constraint-fn that passes if first arg is not greater than second arg.
min-length
(min-length n)
Returns constraint-fn that passes if collection or
string has at least n items/characters.
no-exception
(no-exception f)
Takes a function with arbitrary number of arguments and returns
a constraint that returns the exception message text if any is thrown.
not-blank?
Returns true if value is not nil and not an empty string
not-nil?
Returns true if value is not nil.
of-type?
(of-type? typenames x)
one-of
(one-of & values)
Returns constraint-fn that passes if value is one
of the specified values.
required
Constraint-fn that passes if value is not nil.