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comparison src/StaticDicts/StaticDicts.jl @ 720:172c55c4cf2e feature/static_dict

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Dissalow duplicate keys
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 16 Mar 2021 22:35:40 +0100
parents 2f8c67c5979e
children a789e789e30f
comparison
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719:2f8c67c5979e 720:172c55c4cf2e
14 A simple static dictonary. Performs lookup using linear search with ==-comparison 14 A simple static dictonary. Performs lookup using linear search with ==-comparison
15 of keys. No hashing is used. 15 of keys. No hashing is used.
16 """ 16 """
17 struct StaticDict{K,V,N} <: AbstractDict{K,V} 17 struct StaticDict{K,V,N} <: AbstractDict{K,V}
18 pairs::NTuple{N,Pair{K,V}} 18 pairs::NTuple{N,Pair{K,V}}
19
20 # TBD: Why doesn't `pairs::NTuple{N,Pair{K,V}}` work?
21 function StaticDict{K,V,N}(pairs::Tuple) where {K,V,N}
22 if !allunique(first.(pairs))
23 throw(ArgumentError("keys must be unique (for now)"))
24 end
25
26 return new{K,V,N}(pairs)
27 end
19 end 28 end
20 29
21 function StaticDict(pairs::Vararg{Pair}) 30 function StaticDict(pairs::Vararg{Pair})
22 K = typejoin(firsttype.(pairs)...) 31 K = typejoin(firsttype.(pairs)...)
23 V = typejoin(secondtype.(pairs)...) 32 V = typejoin(secondtype.(pairs)...)