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Add examples of higher-order functions taking multiple arguments

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Cadel Watson
2015-10-07 17:01:28 +11:00
parent 6ac7368b3b
commit 777423dcc5
2 changed files with 6 additions and 0 deletions
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python.html.markdown
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@@ -473,9 +473,12 @@ add_10(3) # => 13
# There are also anonymous functions # There are also anonymous functions
(lambda x: x > 2)(3) # => True (lambda x: x > 2)(3) # => True
(lambda x, y: x ** 2 + y ** 2)(2, 1) # => 5
# There are built-in higher order functions # There are built-in higher order functions
map(add_10, [1, 2, 3]) # => [11, 12, 13] map(add_10, [1, 2, 3]) # => [11, 12, 13]
map(max, [1, 2, 3], [4, 2, 1]) # => [4, 2, 3]
filter(lambda x: x > 5, [3, 4, 5, 6, 7]) # => [6, 7] filter(lambda x: x > 5, [3, 4, 5, 6, 7]) # => [6, 7]
# We can use list comprehensions for nice maps and filters # We can use list comprehensions for nice maps and filters

3
python3.html.markdown
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@@ -550,10 +550,13 @@ add_10(3) # => 13
# There are also anonymous functions # There are also anonymous functions
(lambda x: x > 2)(3) # => True (lambda x: x > 2)(3) # => True
(lambda x, y: x ** 2 + y ** 2)(2, 1) # => 5
# TODO - Fix for iterables # TODO - Fix for iterables
# There are built-in higher order functions # There are built-in higher order functions
map(add_10, [1, 2, 3]) # => [11, 12, 13] map(add_10, [1, 2, 3]) # => [11, 12, 13]
map(max, [1, 2, 3], [4, 2, 1]) # => [4, 2, 3]
filter(lambda x: x > 5, [3, 4, 5, 6, 7]) # => [6, 7] filter(lambda x: x > 5, [3, 4, 5, 6, 7]) # => [6, 7]
# We can use list comprehensions for nice maps and filters # We can use list comprehensions for nice maps and filters