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Adding hashmap and map initialization functions with data (#1402)

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Adding hashmap and map initialization functions with data to populate them with
This commit is contained in:
Lars Nilsson
2024-09-06 14:55:42 -04:00
committed by GitHub
parent 82364d2e3c
commit 04c85eb9ce
2 changed files with 145 additions and 0 deletions
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74
lib/std/collections/hashmap.c3
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@@ -53,6 +53,80 @@ fn HashMap* HashMap.temp_init(&self, uint capacity = DEFAULT_INITIAL_CAPACITY, f
return self.init(allocator::temp(), capacity, load_factor) @inline;
}
/**
* @param [&inout] allocator "The allocator to use"
* @require $vacount % 2 == 0 "There must be an even number of arguments provided for keys and values"
* @require capacity > 0 "The capacity must be 1 or higher"
* @require load_factor > 0.0 "The load factor must be higher than 0"
* @require !self.allocator "Map was already initialized"
* @require capacity < MAXIMUM_CAPACITY "Capacity cannot exceed maximum"
**/
macro HashMap* HashMap.new_init_with_key_values(&self, ..., uint capacity = DEFAULT_INITIAL_CAPACITY, float load_factor = DEFAULT_LOAD_FACTOR, Allocator allocator = allocator::heap())
{
self.new_init(.capacity = capacity, .load_factor = load_factor, .allocator = allocator);
$for (var $i = 0; $i < $vacount; $i += 2)
self.set($vaarg[$i], $vaarg[$i+1]);
$endfor
return self;
}
/**
* @param [in] keys "The keys for the HashMap entries"
* @param [in] values "The values for the HashMap entries"
* @param [&inout] allocator "The allocator to use"
* @require keys.len == values.len "Both keys and values arrays must be the same length"
* @require capacity > 0 "The capacity must be 1 or higher"
* @require load_factor > 0.0 "The load factor must be higher than 0"
* @require !self.allocator "Map was already initialized"
* @require capacity < MAXIMUM_CAPACITY "Capacity cannot exceed maximum"
**/
fn HashMap* HashMap.new_init_from_keys_and_values(&self, Key[] keys, Value[] values, uint capacity = DEFAULT_INITIAL_CAPACITY, float load_factor = DEFAULT_LOAD_FACTOR, Allocator allocator = allocator::heap())
{
assert(keys.len == values.len);
self.new_init(.capacity = capacity, .load_factor = load_factor, .allocator = allocator);
for (usz i = 0; i < keys.len; i++)
{
self.set(keys[i], values[i]);
}
return self;
}
/**
* @require $vacount % 2 == 0 "There must be an even number of arguments provided for keys and values"
* @require capacity > 0 "The capacity must be 1 or higher"
* @require load_factor > 0.0 "The load factor must be higher than 0"
* @require !self.allocator "Map was already initialized"
* @require capacity < MAXIMUM_CAPACITY "Capacity cannot exceed maximum"
**/
macro HashMap* HashMap.temp_init_with_key_values(&self, ..., uint capacity = DEFAULT_INITIAL_CAPACITY, float load_factor = DEFAULT_LOAD_FACTOR)
{
self.temp_init(.capacity = capacity, .load_factor = load_factor);
$for (var $i = 0; $i < $vacount; $i += 2)
self.set($vaarg[$i], $vaarg[$i+1]);
$endfor
return self;
}
/**
* @param [in] keys "The keys for the HashMap entries"
* @param [in] values "The values for the HashMap entries"
* @param [&inout] allocator "The allocator to use"
* @require keys.len == values.len "Both keys and values arrays must be the same length"
* @require capacity > 0 "The capacity must be 1 or higher"
* @require load_factor > 0.0 "The load factor must be higher than 0"
* @require !self.allocator "Map was already initialized"
* @require capacity < MAXIMUM_CAPACITY "Capacity cannot exceed maximum"
**/
fn HashMap* HashMap.temp_init_from_keys_and_values(&self, Key[] keys, Value[] values, uint capacity = DEFAULT_INITIAL_CAPACITY, float load_factor = DEFAULT_LOAD_FACTOR, Allocator allocator = allocator::heap())
{
assert(keys.len == values.len);
self.temp_init(.capacity = capacity, .load_factor = load_factor);
for (usz i = 0; i < keys.len; i++)
{
self.set(keys[i], values[i]);
}
return self;
}
/**
* Has this hash map been initialized yet?