runtime.Library · builtin ·

Library.HasSymbol

Has symbol through the Library runtime.

builtincpulibraryyeho

Built into Yeho; no package import is needed. Native services require an admitted host and the correct resource lifecycle.

Library.HasSymbol(text library, text symbol) -> bool

Status: registered-intrinsic

Parameters

text library
Supply library as text.
text symbol
Supply symbol as text.

Call Library.HasSymbol

A complete typed caller with illustrative arguments. Native operations need the corresponding host and resources.

cpu · builtin · type checked

text library = "library"
text symbol = "symbol"
bool result = Library.HasSymbol(library, symbol)
Console.Log(Text.From(result))
project.mech
manifestVersion = "2"
package = "api.example.runtime__library_hassymbol"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"
Notes and source

The example checks the call shape. Opening windows, recording audio, changing files, network operations, and process operations have real effects when run. Follow the corresponding package lifecycle before using live resources.

yeho/src/compiler/common/intrinsic_registry.cpp:795