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Yet another iterator utils lib

Project description

# iterage

toolset for python iterators and generators

## iterator operations

Documentation of iterage functions and python standard library functions for do things with iterators and generators.

### reduce

#### any / iterage.reduce.iany

To check if at least one element is true, use the any built-in function:

any([True, False, False]) # -> True any([False, False, False]) # -> False

l = [0, 1, 14] any(x > 10 for x in l) # -> True any(x < 0 for x in l) # -> False

# iterage iterage.reduce.iany(l, lambda x: x > 10) # -> True

#### all / iterage.reduce.iall

To check if all elements are true:

all([True, True, True]) # -> True all([True, False, True]) # -> False

l = [0, 1, 14] any(x >= 0 for x in l) # -> True any(x < 0 for x in l) # -> False

# iterage iterage.reduce.iall(l, lambda x: x >= 0) # -> True

#### not any / iterage.reduce.inone

To check if no element is true:

not any([False, False, False]) # -> True not any([True, False, True]) # -> False

l = [0, 1, 14] not any(x >= 0 for x in l) # -> False not any(x < 0 for x in l) # -> True

# iterage iterage.reduce.inone(x < 0 for x in l) # -> True

#### iterage.reduce.iempty

Check if iterable is empty:

iterage.reduce.iempty(x < 0 for x in [0,1,2,3]) # -> True iterage.reduce.iempty(x > 1 for x in [0,1,2,3]) # -> False

#### iterage.reduce.icount

Count elements:

iterage.reduce.icount(range(4)) # -> 4

#### iterage.reduce.icount_if

Count true elements:

iterage.reduce.count_if([True, False, False]) # -> 1

iterage.reduce.count_if(x > 1 for x in [0,1,2,3]) # -> 2

# alternative sum(1 for x in [0,1,2,3] if x > 1) # -> 2 iterage.reduce.icount(x for x in [0,1,2,3] if x > 1) # -> 2

## similar tools

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