http://d.puremagic.com/issues/show_bug.cgi?id=3395
Summary: Ambiguous array operations
Product: D
Version: 2.032
Platform: All
URL: http://www.digitalmars.com/d/2.0/arrays.html
OS/Version: All
Status: NEW
Keywords: spec
Severity: enhancement
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: dfj1es...@sneakemail.com
--- Comment #0 from Sobirari Muhomori <dfj1es...@sneakemail.com> 2009-10-14
01:15:48 PDT ---
These expressions are ambiguous:
---
a[].max(n);
a[1..4].max(n);
---
Does it mean calling the function on the slice or on each item in the slice?
Possible solution is to change the meaning of empty square brackets from full
slice to only a hint for array operation so that a[].max(n) is an array
operation and a[1..4].max(n) is max(a[1..4],n).
This also gives possibility to extend array operation to whole statement even
if it's not an lvalue:
---
printf("%.4f, ",a[]);
becomes
foreach(v;a)printf("%.4f, ",v);
---
a[].max(n) and max(a[],n) become the same and unambiguous with other use cases.
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