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<pre id='vimCodeElement'>
<span class="Comment"># new type to help incrementally read texts (arrays of characters)</span>
<span class="muData">container</span> stream [
index:number
data:address:array:character
]
<span class="muRecipe">recipe</span> new-stream s:address:array:character<span class="muRecipe"> -> </span>result:address:stream [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
result<span class="Special"> <- </span>new <span class="Constant">stream:type</span>
i:address:number<span class="Special"> <- </span>get-address *result, <span class="Constant">index:offset</span>
*i<span class="Special"> <- </span>copy <span class="Constant">0</span>
d:address:address:array:character<span class="Special"> <- </span>get-address *result, <span class="Constant">data:offset</span>
*d<span class="Special"> <- </span>copy s
]
<span class="muRecipe">recipe</span> rewind-stream in:address:stream<span class="muRecipe"> -> </span>in:address:stream [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
x:address:number<span class="Special"> <- </span>get-address *in, <span class="Constant">index:offset</span>
*x<span class="Special"> <- </span>copy <span class="Constant">0</span>
]
<span class="muRecipe">recipe</span> read-line in:address:stream<span class="muRecipe"> -> </span>result:address:array:character, in:address:stream [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
idx:address:number<span class="Special"> <- </span>get-address *in, <span class="Constant">index:offset</span>
s:address:array:character<span class="Special"> <- </span>get *in, <span class="Constant">data:offset</span>
next-idx:number<span class="Special"> <- </span>find-next s, <span class="Constant">10/newline</span>, *idx
result<span class="Special"> <- </span>copy s, *idx, next-idx
*idx<span class="Special"> <- </span>add next-idx, <span class="Constant">1</span> <span class="Comment"># skip newline</span>
]
<span class="muRecipe">recipe</span> end-of-stream? in:address:stream<span class="muRecipe"> -> </span>result:boolean [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
idx:number<span class="Special"> <- </span>get *in, <span class="Constant">index:offset</span>
s:address:array:character<span class="Special"> <- </span>get *in, <span class="Constant">data:offset</span>
len:number<span class="Special"> <- </span>length *s
result<span class="Special"> <- </span>greater-or-equal idx, len
]
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