Re: Difference between using `import` with/without the colon
On Sunday, 19 March 2023 at 08:47:32 UTC, Basile B. wrote: On Sunday, 19 March 2023 at 07:20:17 UTC, Jeremy wrote: [...] The colon-form, aka "selective import" has for effect 1. to create a local alias so this can indeed speedup symbol lookups in the sense that search will succeed before looking in the scope of the imports. 2. to make non-selected symbols, i.e not listed in the colon right hand side, in the import not available. Note that using both makes no sense, but I guess you did that to express more clearly what you meant. Ah, that makes sense. Thank you!
Re: Difference between using `import` with/without the colon
On Sunday, 19 March 2023 at 07:20:17 UTC, Jeremy wrote: Hello, is there any difference at all between the following lines, as an example: ```d import std.regex; import std.regex : matchFirst; ``` What technical differences does it make (except for having the identifier available), using the colon? Does it make any speed/optimization changes or am I better off just importing the whole module? The colon-form, aka "selective import" has for effect 1. to create a local alias so this can indeed speedup symbol lookups in the sense that search will succeed before looking in the scope of the imports. 2. to make non-selected symbols, i.e not listed in the colon right hand side, in the import not available. Note that using both makes no sense, but I guess you did that to express more clearly what you meant.
Difference between using `import` with/without the colon
Hello, is there any difference at all between the following lines, as an example: ```d import std.regex; import std.regex : matchFirst; ``` What technical differences does it make (except for having the identifier available), using the colon? Does it make any speed/optimization changes or am I better off just importing the whole module?
