#17097: Don't use "is" with strings
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: misc | Keywords:
Merged in: | Authors: Jeroen Demeyer
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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There are surprisingly many places in Sage where strings are compared with
`is` instead of `==`. This actually works in simple cases:
{{{
sage: "foo" is "foo"
True
sage: "foo" is "foox"[:3]
False
sage: "foo" == "foox"[:3]
True
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/17097>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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