General purpose utility functions.
General purpose utility functions.
(when-let+ bindings & body)
A multiple bindings version of clojure.core/when-let
.
If all bindings evaluate truthy, the body will be evaluated in an implicit do
in which all bindings are bound to the value of their test.
If any binding evaluates falsey, the body will not be evaluated and nil will be returned.
If multiple forms are provided, the last form will be returned.
Example:
(when-let+
[a 1 b 2]
(+ a b)) ; => 3
(when-let+
[a nil b 2]
(+ a b)) ; => nil
A multiple bindings version of `clojure.core/when-let`. If all bindings evaluate truthy, the body will be evaluated in an implicit `do` in which all bindings are bound to the value of their test. If any binding evaluates falsey, the body will not be evaluated and nil will be returned. If multiple forms are provided, the last form will be returned. Example: ```clj (when-let+ [a 1 b 2] (+ a b)) ; => 3 (when-let+ [a nil b 2] (+ a b)) ; => nil ```
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