49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
# A couple of variants of 'to-text' that we'll use implicitly in stashes (see
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# later layers).
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#
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# Mu code might specialize them to be smarter, but I don't anticipate any need
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# beyond specializing 'to-text' itself.
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# 'shorter' variant of to-text, when you want to enable some sort of trimming
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# define it to be identical to 'to-text' by default
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def to-text-line x:_elem -> y:text [
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local-scope
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load-inputs
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y <- to-text x
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]
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# variant for arrays (since we can't pass them around otherwise)
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def array-to-text-line x:&:@:_elem -> y:text [
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local-scope
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load-inputs
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y <- to-text *x
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]
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scenario to-text-line-early-warning-for-static-dispatch [
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x:text <- to-text-line 34
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# just ensure there were no errors
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]
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scenario array-to-text-line-early-warning-for-static-dispatch [
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n:&:@:num <- new number:type, 3
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x:text <- array-to-text-line n
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# just ensure there were no errors
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]
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# finally, a specialization for single characters
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def to-text c:char -> y:text [
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local-scope
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load-inputs
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y <- new character:type, 1/capacity
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*y <- put-index *y, 0, c
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]
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scenario character-to-text [
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1:char <- copy 111/o
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2:text <- to-text 1:char
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3:@:char <- copy *2:text
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memory-should-contain [
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3:array:character <- [o]
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]
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]
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