Rudolf Adamkovič rudolf-adamkovic
rudolf-adamkovic
/ PreconditionFailable.swift
Last active
December 3, 2017 16:35
PreconditionFailable protocol
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| /* PRODUCTION */ | |
| protocol PreconditionFailable { | |
| associatedtype PreconditionFailure | |
| } | |
| extension PreconditionFailable { | |
| static func precondition(_ condition: Bool, _ message: PreconditionFailure) { | |
| guard !condition else { return } | |
| PreconditionFailureHandler.trap(String(describing: message)) |