47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package experiments
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// Set is a collection of experiments where every experiment is either a member
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// or not.
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type Set map[Experiment]struct{}
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// NewSet constructs a new Set with the given experiments as its initial members.
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func NewSet(exps ...Experiment) Set {
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ret := make(Set)
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for _, exp := range exps {
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ret.Add(exp)
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}
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return ret
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}
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// SetUnion constructs a new Set containing the members of all of the given
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// sets.
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func SetUnion(sets ...Set) Set {
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ret := make(Set)
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for _, set := range sets {
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for exp := range set {
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ret.Add(exp)
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}
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}
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return ret
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}
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// Add inserts the given experiment into the set.
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//
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// If the given experiment is already present then this is a no-op.
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func (s Set) Add(exp Experiment) {
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s[exp] = struct{}{}
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}
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// Remove takes the given experiment out of the set.
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//
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// If the given experiment not already present then this is a no-op.
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func (s Set) Remove(exp Experiment) {
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delete(s, exp)
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}
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// Has tests whether the given experiment is in the receiving set.
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func (s Set) Has(exp Experiment) bool {
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_, ok := s[exp]
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return ok
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}
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