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Enum std.file.SpanMode
Dictates directory spanning policy for dirEntries (see below).
enum SpanMode
: int { ... }
Enum members
Name | Description |
---|---|
breadth
|
Spans the directory in
depth-first
pre-order, i.e. the content of any subdirectory is spanned
right after that subdirectory itself.
Note that |
depth
|
Spans the directory in depth-first post-order, i.e. the content of any subdirectory is spanned before that subdirectory itself. Useful e.g. when recursively deleting files. |
shallow
|
Only spans one directory. |
Example
import std .algorithm .comparison : equal;
import std .algorithm .iteration : map;
import std .algorithm .sorting : sort;
import std .array : array;
import std .path : buildPath, relativePath;
auto root = deleteme ~ "root";
scope(exit) root .rmdirRecurse;
root .mkdir;
root .buildPath("animals") .mkdir;
root .buildPath("animals", "cat") .mkdir;
alias removeRoot = (return scope e) => e .relativePath(root);
assert(root .dirEntries(SpanMode .depth) .map!removeRoot .equal(
[buildPath("animals", "cat"), "animals"]));
assert(root .dirEntries(SpanMode .breadth) .map!removeRoot .equal(
["animals", buildPath("animals", "cat")]));
root .buildPath("plants") .mkdir;
assert(root .dirEntries(SpanMode .shallow) .array .sort .map!removeRoot .equal(
["animals", "plants"]));
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