[rust-axum] Fix polymorphic type discriminators #44

	name: Samples Rust Servers

	on:
	push:
	paths:
	- "samples/server/petstore/rust-server/**"
	- "samples/server/petstore/rust-axum/**"
	pull_request:
	paths:
	- "samples/server/petstore/rust-server/**"
	- "samples/server/petstore/rust-axum/**"

	jobs:
	build:
	name: Build Rust
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	sample:
	# these folders contain sub-projects of rust clients, servers
	- samples/server/petstore/rust-server/
	- samples/server/petstore/rust-server-deprecated/
	- samples/server/petstore/rust-axum/
	steps:
	- uses: actions/checkout@v5
	- uses: actions-rs/toolchain@v1
	with:
	toolchain: stable

	- name: Rust cache
	uses: Swatinem/rust-cache@v2
	with:
	cache-targets: false # Don't cache workspace target directories as they don't exist
	cache-directories:
	${{ matrix.sample }}/target
	workspaces: \|
	${{ matrix.sample }}/output/*

	- name: Build
	working-directory: ${{ matrix.sample }}
	run: cargo build --all-targets --all-features
	- name: Tests
	working-directory: ${{ matrix.sample }}
	run: \|
	set -e

	# Iterate through each example and test various features
	for package in $(find . -maxdepth 1 -mindepth 1 -type d)
	do
	# Not all versions have a server example
	if test -f examples/server/main.rs; then
	cargo build --example server --features="server"
	fi
	# Test the CLI works if present
	if test -f bin/cli.rs; then
	cargo build --bin ${package##*/} --features cli
	target/debug/${package##*/} --help
	fi
	cargo fmt
	cargo test
	cargo clippy
	cargo doc
	done

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