make each eager

Author: czheo

README.md

@@ -41,8 +41,8 @@ pipe(10) | range | (map, lambda x: x**2) | list | print | END
 
 from syntax_sugar import each
 x = pipe(10) | range | each(lambda x: x ** 2) | END
-# `each` is just a shortcut of the partial function of `map`
-# We can also save the result in a variable
+# We can also save the result in a variable.
+# `each` is an eager evaluated version of the partial function of `map`, which returns a list instead of a map object. (Equivalent to `map` in Python 2)
 
 pipe(10) | range | each(str) | ''.join > 'test.txt'
 # wanna write to a file? Why not!

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name="syntax_sugar",
-    version="0.3.6",
+    version="0.3.7",
     url='https://github.com/czheo/syntax_sugar_python',
     description="add syntactic sugar to Python",
     author="czheo",

syntax_sugar/_pipe.py

@@ -22,7 +22,7 @@ def puts(data, end="\n"):
     return data
 
 def each(fn):
-    return partial(map, fn)
+    return compose(list, partial(map, fn))
 
 class End:
     "mark end of pipe"

tests/__init__.py

@@ -85,9 +85,9 @@ def test_drop():
     _assert_iter(10 /to/ 1 /drop/ 3 /take/ 2, [7, 6])
 
 def test_iter_pipe():
-    assert 0 /to/ 9 | each(lambda x: x**2) | list | END == [x**2 for x in range(10)]
-    assert 0 /to/ 9 /take/ 2 | each(lambda x: x**2) | list | END == [x**2 for x in range(10)][:2]
-    assert 0 /to/ 9 /drop/ 2 | each(lambda x: x**2) | list| END == [x**2 for x in range(10)][2:]
+    assert 0 /to/ 9 | each(lambda x: x**2) | END == [x**2 for x in range(10)]
+    assert 0 /to/ 9 /take/ 2 | each(lambda x: x**2) | END == [x**2 for x in range(10)][:2]
+    assert 0 /to/ 9 /drop/ 2 | each(lambda x: x**2) | END == [x**2 for x in range(10)][2:]
 
 def test_is_a():
     values_types_right = [

tests/test_infix.py

@@ -9,7 +9,7 @@ def test_pipe_with_list():
     assert pipe([1,2,3,4]) | END == [1,2,3,4]
 
 def test_each():
-    assert pipe(range(10)) | each(lambda x: x**2) | list | END \
+    assert pipe(range(10)) | each(lambda x: x**2) | END \
         == [x**2 for x in range(10)]
 
 def test_puts():