Struct HostFnSpec 

pub struct HostFnSpec {
    pub name: String,
    pub required_capability: Option<Capability>,
    pub docs: String,
}

Metadata describing a single host function exposed to Extism plugins.

Fields

name: String

Name plugins use to import this fn (e.g., "host_fs_read").

required_capability: Option<Capability>

Capability required for this fn to be visible to a plugin. None means always-available (e.g., host_log). Matched by variant against the plugin’s effective set (attenuation patterns are enforced in the host-fn body, not at the visibility gate).

docs: String

Human-readable description; surfaced via uni plugin info.

Trait Implementations

impl Clone for HostFnSpec

fn clone(&self) -> HostFnSpec

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for HostFnSpec

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

Formats the value using the given formatter.