Method default_value

crates/wasmtime/src/runtime/types.rs:375–390

Construct a default value. Returns None for non-nullable Ref types, which have no default.

(&self)

    }
    /// Construct a default value. Returns None for non-nullable Ref types, which have no default.
    pub fn default_value(&self) -> Option<Val> {
        match self {
            ValType::I32 => Some(Val::I32(0)),
            ValType::I64 => Some(Val::I64(0)),
            ValType::F32 => Some(Val::F32(0)),
            ValType::F64 => Some(Val::F64(0)),
            ValType::V128 => Some(Val::V128(0.into())),
            ValType::Ref(r) => {
                if r.is_nullable() {
                    Some(Val::null_ref(r.heap_type()))
                } else {
                    None
                }
            }
        }
    }

    pub(crate) fn into_registered_type(self) -> Option<RegisteredType> {
        match self {