Fancy duck typing for the most serious of ducks.
Flexible data validation using a duck type interface
Run time type validation, transformation, and error generator that works out of the box on primitives, objects, arrays, and nested objects. Also extensible for custom types.
Ducktype if something is a Node.js compatible stream
Check the values of passed arguments in a function - see if they quack like a duck.
collection of all 'x-is-...' to test types of values
Simple http get promise
a fork of josdejong's ducktype
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