String interpolation (included): Difference between revisions
Content added Content deleted
m (→{{header|APL}}) |
m (→{{header|APL}}) |
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=={{header|APL}}== |
=={{header|APL}}== |
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<lang apl> |
<lang apl> |
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s ← 'Mary had a |
s ← 'Mary had a ∆ lamb' ⋄ s[s⍳'∆'] ← ⊂'little' ⋄ s ← ∊s |
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s |
s |
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Mary had a little lamb |
Mary had a little lamb |
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∇r ← s sInterp sv |
∇r ← s sInterp sv |
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⍝⍝ Interpolate items in sv into s (string field substitution) |
⍝⍝ Interpolate items in sv into s (string field substitution) |
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⍝ s: string - format string, ' |
⍝ s: string - format string, '∆' used for interpolation points |
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⍝ sv: vector - vector of items to interpolate into s |
⍝ sv: vector - vector of items to interpolate into s |
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⍝ r: interpolated string |
⍝ r: interpolated string |
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s[(' |
s[('∆'=s)/⍳⍴s] ← ⊃¨(⍕¨sv) |
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r ← ∊s |
r ← ∊s |
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∇ |
∇ |
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'Mary had a |
'Mary had a ∆ lamb, its fleece was ∆ as ∆.' sInterp 'little' 'black' 'night' |
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Mary had a little lamb, its fleece was black as night. |
Mary had a little lamb, its fleece was black as night. |
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'Mary had a |
'Mary had a ∆ lamb, its fleece was ∆ as ∆.' sInterp 'little' 'large' 42 |
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Mary had a little lamb, its fleece was large as 42. |
Mary had a little lamb, its fleece was large as 42. |
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</lang> |
</lang> |
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