more manual eta reduction (companion to 9cead4f) (JuliaLang#17982)

test/arrayops.jl

@@ -1556,8 +1556,8 @@ copy!(S, A)
 @test cumsum(A, 1) == cumsum(B, 1) == cumsum(S, 1)
 @test cumsum(A, 2) == cumsum(B, 2) == cumsum(S, 2)
 
-@test mapslices(v->sort(v), A, 1) == mapslices(v->sort(v), B, 1) == mapslices(v->sort(v), S, 1)
-@test mapslices(v->sort(v), A, 2) == mapslices(v->sort(v), B, 2) == mapslices(v->sort(v), S, 2)
+@test mapslices(sort, A, 1) == mapslices(sort, B, 1) == mapslices(sort, S, 1)
+@test mapslices(sort, A, 2) == mapslices(sort, B, 2) == mapslices(sort, S, 2)
 
 @test flipdim(A, 1) == flipdim(B, 1) == flipdim(S, 2)
 @test flipdim(A, 2) == flipdim(B, 2) == flipdim(S, 2)

test/functional.jl

@@ -10,8 +10,8 @@ let a = [1.0, 2.0]
  @test isequal(a, sin([1.0, 2.0]))
 end
 # map -- ranges.jl
-@test isequal(map(i->sqrt(i), 1:5), [sqrt(i) for i in 1:5])
-@test isequal(map(i->sqrt(i), 2:6), [sqrt(i) for i in 2:6])
+@test isequal(map(sqrt, 1:5), [sqrt(i) for i in 1:5])
+@test isequal(map(sqrt, 2:6), [sqrt(i) for i in 2:6])
 
 # map on ranges should evaluate first value only once (#4453)
 let io=IOBuffer(3)

test/offsetarray.jl

@@ -308,8 +308,8 @@ v = OffsetArray(rand(8), (-2,))
 @test sort(A, 1) == OffsetArray(sort(parent(A), 1), A.offsets)
 @test sort(A, 2) == OffsetArray(sort(parent(A), 2), A.offsets)
 
-@test mapslices(v->sort(v), A, 1) == OffsetArray(mapslices(v->sort(v), parent(A), 1), A.offsets)
-@test mapslices(v->sort(v), A, 2) == OffsetArray(mapslices(v->sort(v), parent(A), 2), A.offsets)
+@test mapslices(sort, A, 1) == OffsetArray(mapslices(sort, parent(A), 1), A.offsets)
+@test mapslices(sort, A, 2) == OffsetArray(mapslices(sort, parent(A), 2), A.offsets)
 
 @test rotl90(A) == OffsetArray(rotl90(parent(A)), A.offsets[[2,1]])
 @test rotr90(A) == OffsetArray(rotr90(parent(A)), A.offsets[[2,1]])

test/parallel_exec.jl

@@ -991,7 +991,7 @@ end
 # issue #15406
 v15406 = remotecall_wait(() -> 1, id_other)
 fetch(v15406)
-remotecall_wait(t -> fetch(t), id_other, v15406)
+remotecall_wait(fetch, id_other, v15406)
 
 # Test various forms of remotecall* invocations
 

test/reduce.jl

@@ -160,8 +160,8 @@ prod2(itr) = invoke(prod, Tuple{Any}, itr)
 @test maxabs([1, -2, 3, -4]) == 4
 @test minabs([-1, 2, -3, 4]) == 1
 
-@test maximum(x->abs2(x), 3:7) == 49
-@test minimum(x->abs2(x), 3:7) == 9
+@test maximum(abs2, 3:7) == 49
+@test minimum(abs2, 3:7) == 9
 
 @test maximum(Int16[1]) === Int16(1)
 @test maximum(collect(Int16(1):Int16(100))) === Int16(100)

test/reflection.jl

@@ -43,7 +43,7 @@ test_code_reflections(test_bin_reflection, code_native)
 mktemp() do f, io
  OLDSTDOUT = STDOUT
  redirect_stdout(io)
- @test try @code_native map(y->abs(y), rand(3)); true; catch false; end
+ @test try @code_native map(abs, rand(3)); true; catch false; end
  redirect_stdout(OLDSTDOUT)
 end
 

test/runtests.jl

@@ -41,7 +41,7 @@ cd(dirname(@__FILE__)) do
  test = shift!(tests)
  local resp
  try
- resp = remotecall_fetch(t -> runtests(t), p, test)
+ resp = remotecall_fetch(runtests, p, test)
  catch e
  resp = e
  end