source_iterable.jl at df00f51 ⋅ queryverse/QueryOperators.jl

struct EnumerableIterable{T,S} <: Enumerable
    source::S
end

function query(source)
    IteratorInterfaceExtensions.isiterable(source) || error()
    typed_source = IteratorInterfaceExtensions.getiterator(source)
	T = eltype(typed_source)
    S = typeof(typed_source)

    source_enumerable = EnumerableIterable{T,S}(typed_source)

    return source_enumerable
end

Base.IteratorSize(::Type{EnumerableIterable{T,S}}) where {T,S} = haslength(S)

Base.eltype(::Type{EnumerableIterable{T,S}}) where {T,S} = T

Base.length(iter::EnumerableIterable{T,S}) where {T,S} = length(iter.source)

function Base.iterate(iter::EnumerableIterable{T,S}, state...) where {T,S}
    return iterate(iter.source, state...)
end


1		struct EnumerableIterable{T,S} <: Enumerable
2	47	source::S
3		end
4
5		function query(source)
6	47	IteratorInterfaceExtensions.isiterable(source) \|\| error()
7	39	typed_source = IteratorInterfaceExtensions.getiterator(source)
8		T = eltype(typed_source)
9		S = typeof(typed_source)
10
11	39	source_enumerable = EnumerableIterable{T,S}(typed_source)
12
13	47	return source_enumerable
14		end
15
16	0	Base.IteratorSize(::Type{EnumerableIterable{T,S}}) where {T,S} = haslength(S)
17
18	0	Base.eltype(::Type{EnumerableIterable{T,S}}) where {T,S} = T
19
20	39	Base.length(iter::EnumerableIterable{T,S}) where {T,S} = length(iter.source)
21
22		function Base.iterate(iter::EnumerableIterable{T,S}, state...) where {T,S}
23	47	return iterate(iter.source, state...)
24		end
25

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