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Add constraints on views using the Auto Layout Visual Format Language
Declaration
Swift
func addConstraintsWithFormat(format: String, options: NSLayoutConstraint.FormatOptions = [], metrics: [String : NSNumber]? = nil, views: NUView...)Parameters
formatstring describing constraints in VFL
optionsalignement, direction, spacing
metricsa dict of constants for use in format
viewsviews to constrain
NUView Extension Reference