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julia> @code_typed foo()

1-element Array{Any,1}:

LambdaInfo for foo

:(begin # REPL[2], line 2:

:(begin # REPL[6], line 2:

#1 = $(Expr(:new, :(Main.##1#2)))

#3 = $(Expr(:new, :(Main.##3#4)))

GenSym(0) = #1 # reflection.jl, line 32: # reflection.jl, line 30:

GenSym(0) = #3 # reflection.jl, line 32: # reflection.jl, line 30:

GenSym(4) = (Base.box)(Int32,(Base.zext_int)(Int32,false))

GenSym(5) = (Base.box)(Int32,(Base.zext_int)(Int32,false))

GenSym(1) = (Main.map)(Main.eval,(Base.sort!)((top(ccall))(:jl_module_names,(top(apply_type))(Base.Array,Base.Symbol,1)::Type{Array{Symbol,1}},(top(svec))(Base.Any,Base.Int32,Base.Int32)::SimpleVector,Main.Base,0,GenSym(4),0,GenSym(5),0)::Array{Symbol,1})::Array{Symbol,1})::AbstractArray{T,N}

GenSym(6) = (Base.sort!)((top(ccall))(:jl_module_names,(top(apply_type))(Base.Array,Base.Symbol,1)::Type{Array{Symbol,1}},(top(svec))(Base.Any,Base.Int32,Base.Int32)::SimpleVector,Main.Base,0,GenSym(4),0,GenSym(5),0)::Array{Symbol,1})::Array{Symbol,1} # abstractarray.jl, line 1119: # generator.jl, line 10: # generator.jl, line 10:

ts = (Main.filter)(GenSym(0),GenSym(1)) # REPL[2], line 3:

(top(getfield))(Base,:Generator)::Type{Base.Generator{I,F}}

GenSym(1) = (Base.collect_similar)(GenSym(6),$(Expr(:new, Base.Generator{Array{Symbol,1},Core.#eval}, :(Main.eval), GenSym(6))))::AbstractArray{T,N}

ts = (Main.filter)(GenSym(0),GenSym(1)) # REPL[6], line 3:

GenSym(2) = ts

#temp# = (top(start))(GenSym(2))

#temp#@_4 = (top(start))(GenSym(2))

13:

18:

unless (top(!))((top(done))(GenSym(2),#temp#)) goto 20

unless (top(!))((top(done))(GenSym(2),#temp#@_4)) goto 25

GenSym(3) = (top(next))(GenSym(2),#temp#)

GenSym(3) = (top(next))(GenSym(2),#temp#@_4)

x = (top(getfield))(GenSym(3),1)

#temp# = (top(getfield))(GenSym(3),2)

#temp#@_4 = (top(getfield))(GenSym(3),2)

18:

23:

goto 13

goto 18

20:

25:

21: # REPL[2], line 5:

26: # REPL[6], line 5:

return (Main.permutations)(ts,2)::Combinatorics.Permutations{T}

#temp#@_6 = 2 # /Users/isaac/.julia/v0.5/Combinatorics/src/permutations.jl, line 30:

unless (Base.slt_int)(#temp#@_6,0)::Bool goto 33 # /Users/isaac/.julia/v0.5/Combinatorics/src/permutations.jl, line 31:

#temp#@_6 = (Combinatorics.length)(ts) + 1

33: # /Users/isaac/.julia/v0.5/Combinatorics/src/permutations.jl, line 33:

return (Combinatorics.Permutations)(ts,#temp#@_6)::Combinatorics.Permutations{T}

end::Combinatorics.Permutations{T})

已保存差异

原始文本

打开文件

julia> @code_typed foo()
1-element Array{Any,1}:
 LambdaInfo for foo
:(begin  # REPL[2], line 2:
        #1 = $(Expr(:new, :(Main.##1#2)))
        GenSym(0) = #1 # reflection.jl, line 32: # reflection.jl, line 30:
        GenSym(4) = (Base.box)(Int32,(Base.zext_int)(Int32,false))
        GenSym(5) = (Base.box)(Int32,(Base.zext_int)(Int32,false))
        GenSym(1) = (Main.map)(Main.eval,(Base.sort!)((top(ccall))(:jl_module_names,(top(apply_type))(Base.Array,Base.Symbol,1)::Type{Array{Symbol,1}},(top(svec))(Base.Any,Base.Int32,Base.Int32)::SimpleVector,Main.Base,0,GenSym(4),0,GenSym(5),0)::Array{Symbol,1})::Array{Symbol,1})::AbstractArray{T,N}
        ts = (Main.filter)(GenSym(0),GenSym(1)) # REPL[2], line 3:
        GenSym(2) = ts
        #temp# = (top(start))(GenSym(2))
        13: 
        unless (top(!))((top(done))(GenSym(2),#temp#)) goto 20
        GenSym(3) = (top(next))(GenSym(2),#temp#)
        x = (top(getfield))(GenSym(3),1)
        #temp# = (top(getfield))(GenSym(3),2)
        18: 
        goto 13
        20: 
        21:  # REPL[2], line 5:
        return (Main.permutations)(ts,2)::Combinatorics.Permutations{T}
    end::Combinatorics.Permutations{T})

更改后文本

打开文件

julia> @code_typed foo()
1-element Array{Any,1}:
 LambdaInfo for foo
:(begin  # REPL[6], line 2:
        #3 = $(Expr(:new, :(Main.##3#4)))
        GenSym(0) = #3 # reflection.jl, line 32: # reflection.jl, line 30:
        GenSym(4) = (Base.box)(Int32,(Base.zext_int)(Int32,false))
        GenSym(5) = (Base.box)(Int32,(Base.zext_int)(Int32,false))
        GenSym(6) = (Base.sort!)((top(ccall))(:jl_module_names,(top(apply_type))(Base.Array,Base.Symbol,1)::Type{Array{Symbol,1}},(top(svec))(Base.Any,Base.Int32,Base.Int32)::SimpleVector,Main.Base,0,GenSym(4),0,GenSym(5),0)::Array{Symbol,1})::Array{Symbol,1} # abstractarray.jl, line 1119: # generator.jl, line 10: # generator.jl, line 10:
        (top(getfield))(Base,:Generator)::Type{Base.Generator{I,F}}
        GenSym(1) = (Base.collect_similar)(GenSym(6),$(Expr(:new, Base.Generator{Array{Symbol,1},Core.#eval}, :(Main.eval), GenSym(6))))::AbstractArray{T,N}
        ts = (Main.filter)(GenSym(0),GenSym(1)) # REPL[6], line 3:
        GenSym(2) = ts
        #temp#@_4 = (top(start))(GenSym(2))
        18: 
        unless (top(!))((top(done))(GenSym(2),#temp#@_4)) goto 25
        GenSym(3) = (top(next))(GenSym(2),#temp#@_4)
        x = (top(getfield))(GenSym(3),1)
        #temp#@_4 = (top(getfield))(GenSym(3),2)
        23: 
        goto 18
        25: 
        26:  # REPL[6], line 5:
        #temp#@_6 = 2 # /Users/isaac/.julia/v0.5/Combinatorics/src/permutations.jl, line 30:
        unless (Base.slt_int)(#temp#@_6,0)::Bool goto 33 # /Users/isaac/.julia/v0.5/Combinatorics/src/permutations.jl, line 31:
        #temp#@_6 = (Combinatorics.length)(ts) + 1
        33:  # /Users/isaac/.julia/v0.5/Combinatorics/src/permutations.jl, line 33:
        return (Combinatorics.Permutations)(ts,#temp#@_6)::Combinatorics.Permutations{T}
    end::Combinatorics.Permutations{T})