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The refactoring is now published as Slice on sammancoaching.org: https://sammancoaching.org/refactorings/slice.html - git mv ideas/split-loop-with-lambda -> ideas/slice-with-lambda - rename learning-hour file and update frontmatter name - update paths in tools/rehearse scripts and report title - update prose: 'Split Loop with Lambda' -> 'Slice with Lambda' in learning hour, exercise READMEs, storyboard, solution comments - link the published Slice refactoring from the pattern draft
57 lines
3.8 KiB
XML
57 lines
3.8 KiB
XML
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</marker>
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<text x="24" y="34" font-size="20" font-weight="bold" fill="#0f172a">Step 2 — slide the lambda definition to the top of the method</text>
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<text x="24" y="56" font-size="13" fill="#9333ea" font-weight="bold">Slide, don't move: the definition slides up, the invocation stays exactly where it was.</text>
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<!-- method -->
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<text x="76" y="98" font-size="14" font-weight="bold" fill="#0f172a">longRangeForecast()</text>
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<!-- lambda at top -->
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<text x="106" y="124" font-size="12" font-weight="bold" fill="#9333ea">λ dayOffsetToWeather</text>
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<text x="106" y="144" font-size="11" font-family="Menlo, Consolas, monospace" fill="#dc2626">scorer.updateSelection();</text>
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<text x="106" y="162" font-size="11" font-family="Menlo, Consolas, monospace" fill="#dc2626">return scorer.lookupWeather(days);</text>
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<!-- reset loop -->
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<text x="94" y="218" font-size="11" font-family="Menlo, Consolas, monospace" fill="#1e1b4b">for (IceCream flavour : IceCream.values())</text>
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<text x="94" y="238" font-size="11" font-family="Menlo, Consolas, monospace" fill="#1e1b4b"> result.put(flavour, 0);</text>
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<!-- weather loop -->
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<text x="94" y="290" font-size="11" font-family="Menlo, Consolas, monospace" fill="#1e1b4b">for (Instant interestingDate : DATES)</text>
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<!-- ghost of old position -->
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<text x="106" y="318" font-size="10" fill="#9333ea" font-style="italic">λ used to be defined here</text>
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<text x="102" y="356" font-size="11" font-family="Menlo, Consolas, monospace" font-weight="bold" fill="#6b21a8">expectedWeather.add(λ.apply(daysForward));</text>
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<!-- scoring loop -->
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<rect x="80" y="384" width="300" height="40" rx="8" fill="#eef2ff" stroke="#818cf8"/>
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<text x="94" y="409" font-size="11" font-family="Menlo, Consolas, monospace" fill="#1e1b4b">scoring loop: += 10 / +5 / +2</text>
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<!-- slide arrow -->
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<text x="232" y="192" font-size="12" font-weight="bold" fill="#9333ea">slide</text>
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<!-- Scorer -->
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<rect x="580" y="200" width="150" height="80" rx="8" fill="#fef2f2" stroke="#dc2626" stroke-width="1.5"/>
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<text x="655" y="230" font-size="14" font-weight="bold" fill="#dc2626" text-anchor="middle">Scorer</text>
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<text x="655" y="250" font-size="11" fill="#7f1d1d" text-anchor="middle">still called —</text>
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<text x="655" y="266" font-size="11" fill="#7f1d1d" text-anchor="middle">but only via the λ now</text>
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</svg>
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