PersistentStringSet

Constructors

this

this(string fileName)

Undocumented in source.

Members

Functions

add

void add(string key)

Undocumented in source. Be warned that the author may not have intended to support it.

opBinaryRight

auto opBinaryRight(string key)

Undocumented in source. Be warned that the author may not have intended to support it.

remove

void remove(string key)

Undocumented in source. Be warned that the author may not have intended to support it.

Properties

length

size_t length [@property getter]

Undocumented in source. Be warned that the author may not have intended to support it.

lines

string[] lines [@property getter]

Undocumented in source. Be warned that the author may not have intended to support it.

Static functions

_load

HashSet!string _load(string fileName)

Undocumented in source. Be warned that the author may not have intended to support it.

_save

void _save(string fileName, HashSet!string data)

Undocumented in source. Be warned that the author may not have intended to support it.

import std.file, std.conv, core.thread;

enum FN = "test.txt";
if (FN.exists) remove(FN);
scope(exit) if (FN.exists) remove(FN);

{
	auto s = PersistentStringSet(FN);
	assert("foo" !in s);
	assert(s.length == 0);
	s.add("foo");
}
{
	auto s = PersistentStringSet(FN);
	assert("foo" in s);
	assert(s.length == 1);
	s.remove("foo");
}
{
	auto s = PersistentStringSet(FN);
	assert("foo" !in s);
	Thread.sleep(filesystemTimestampGranularity);
	std.file.write(FN, "foo\n");
	assert("foo" in s);
	Thread.sleep(filesystemTimestampGranularity);
	std.file.write(FN, "bar\n");
	assert(s.lines == ["bar"], text(s.lines));
}

• PersistentStringSet