API reference

css_variable_resolver.cpp · CSS properties

Browse entries grouped by interface file. Expand an entry for declarations, usage and version boundaries.

Read the related guide →

Entries retain declarations and sources. Runtime verification is recorded per entry; internal source candidates are not a promise of SDK delivery.

src/css/css_variable_resolver.cpp
var()
supported3.61.7C++ / C / Go / Rust

Token-level substitution supports fallback, nesting, arguments inside functions, empty fallback, and cycle/depth guards. Without a valid substitution the declaration is invalid at computed-value time (IACVT).

css_variable_resolver.cpp
var(--name[, fallback])

Historical audit version: 3.59.0 · 2026-11-01 Asia/Shanghai (UTC+08:00)

Verification scope

Imported static source audit from 2026-11-01 / 3.59.0. References are available; this is not a fresh runtime verification of this release.

src/css/css_variable_resolver.cpp:261

Report an issue with this entry →
Browse this reference type →