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Sourcery Sourcery

Simplify String Length Comparison

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Sourcery refactoring id: simplify-string-len-comparison

Section titled “Sourcery refactoring id: simplify-string-len-comparison”

Description:

Section titled “Description:”

Changes an indirect comparison of a string’s length to 0 into a direct comparison of the string to the empty string.

Before:

Section titled “Before:”
if len(s) == 0:
    ...


if len(r) > 0:
    ...

After:

Section titled “After:”
if s == "":
    ...


if r != "":
    ...

Explanation:

Section titled “Explanation:”

This refactoring avoids an unnecessary calculation and keeps the logic in the domain of string types. It tends to unlock further improvements to string comparisons.