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49 lines
1.1 KiB
Markdown
49 lines
1.1 KiB
Markdown
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<div class="short">
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`tis = %tis`
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============
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Subject modification
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--------------------
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The `=` runes modify the subject. They are used whenever you want to
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push something on the subject, modify the subject, or use the results of
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one formula in another.
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There are three basic categories of `=` runes.
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</div>
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### Replace the subject
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[`=>`]() The natural `=` rune. Uses the product of `p` as the subject
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for the formula `q`.
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[`=<`]() Inverse of `=>`. Uses the product of `q` as the subject for the
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formula `a`. Used to make code more readable by making it flow vertically.
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<hr></hr>
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#### Expand the subject
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[`=+`]() Nock 8. Pushes data and code `p` on the subject for the formula
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`q`.
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[`=-`]() Inverse of `=+`. Pushes data and code `q` on the subject
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for the formula `q`.
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[`=|`]() Pushes the bunt of a tile `p` on the subject for the formula `q`.
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[`=*`]() Pushes on an alias onto the subject.
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<hr></hr>
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#### Alter the subject
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[`=.`]() Modifies the subject with a single change.
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[`=:`]() Modifies the subject with a multiple changes.
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<hr></hr>
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<kids></kids>
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