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Make |> wellbehaved with regard to splatting #13240

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Make |> wellbehaved with regard to splatting #13240

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3 changes: 2 additions & 1 deletion base/docs/helpdb.jl
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Expand Up @@ -1538,8 +1538,9 @@ cconvert

doc"""
|>(x, f)
|>(x, y, ..., f)

Applies a function to the preceding argument. This allows for easy function chaining.
Applies a function to the preceding argument(s). This allows for easy function chaining.

```jldoctest
julia> [1:5;] |> x->x.^2 |> sum |> inv
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2 changes: 2 additions & 0 deletions base/operators.jl
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Expand Up @@ -196,6 +196,8 @@ copy(x::Union{Symbol,Number,AbstractString,Function,Tuple,LambdaStaticData,

# function pipelining
|>(x, f) = f(x)
|>(x, y, f) = f(x, y)
|>(args...) = args[end](args[1:end-1]...)

# array shape rules

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2 changes: 2 additions & 0 deletions test/operators.jl
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Expand Up @@ -48,6 +48,8 @@ p = 1=>:foo
@test 1 .< 2
@test 1 .<= 2

@test minmax(2,1)... |> tuple == (1,2) # test splicing in combination with pipelining

# issue #13144: max() with 4 or more array arguments
let xs = [[i:i+4;] for i in 1:10]
for n in 2:10
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