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Merge pull request #2386 from daschw/attr

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Missing methods for Attr
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Daniel Schwabeneder 2020-02-08 16:15:43 +01:00 committed by GitHub
commit 4357fde5ea
1 changed files with 12 additions and 0 deletions
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src/types.jl
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@ -30,6 +30,18 @@ Base.getindex(attr::Attr, k) = haskey(attr.explicit,k) ?
attr.explicit[k] : attr.defaults[k]
Base.haskey(attr::Attr, k) = haskey(attr.explicit,k) || haskey(attr.defaults,k)
Base.get(attr::Attr, k, default) = haskey(attr, k) ? attr[k] : default
function Base.get!(attr::Attr, k, default)
v = if haskey(attr, k)
attr[k]
else
attr.defaults[k] = default
end
return v
end
function Base.delete!(attr::Attr, k)
haskey(attr.explicit, k) && delete!(attr.explicit, k)
haskey(attr.defaults, k) && delete!(attr.defaults, k)
end
Base.length(attr::Attr) = length(union(keys(attr.explicit), keys(attr.defaults)))
function Base.iterate(attr::Attr)
exp_keys = keys(attr.explicit)