Struct SystemAccess 

pub struct SystemAccess {
    pub reads: HashSet<TypeId>,
    pub writes: HashSet<TypeId>,
}

Component access declaration for a system.

Tracks which component types a system reads and writes. Two systems conflict if one writes a component the other reads or writes.

Fields

reads: HashSet<TypeId>

Component types this system reads.

writes: HashSet<TypeId>

Component types this system writes.

Implementations

impl SystemAccess

pub fn new() -> Self

Creates an empty access declaration.

pub fn conflicts_with(&self, other: &SystemAccess) -> bool

Returns whether this system conflicts with another.

Two systems conflict if one writes a component type that the other reads or writes.

Trait Implementations

impl Clone for SystemAccess

fn clone(&self) -> SystemAccess

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SystemAccess

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SystemAccess

fn default() -> Self

Returns the “default value” for a type.