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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
The function is not called correctly in Swift. I fixed the once for "Test" phase but they need to be fixed for the "Attempt" phase.
main.swift:14:23: error: missing argument labels 'v1:v2:g:' in call
XCTAssert(race(v1, v2, g)! == expected!, "should return (expected!)")
^
v1: v2: g:
main.swift:17:27: error: missing argument labels 'v1:v2:g:' in call
XCTAssertTrue(race(v1, v2, g) == nil, "Should return nil")
^
v1: v2: g: