66bdc70bf1
Move examples/*.sx and their expected/ snapshots into per-category subfolders (examples/<category>/...). Folder = leading filename token, with ffi-objc/ffi-jni kept whole; filenames are unchanged. The corpus runner and LSP sweep now discover each category's expected/ dir, while issues/ stays flat. Example 1058's repo-root-relative companion import is made file-relative. Path strings embedded in 164 snapshots were regenerated (path-only changes). Test-layout docs in CLAUDE.md updated.
93 lines
2.3 KiB
Plaintext
93 lines
2.3 KiB
Plaintext
#import "modules/std.sx";
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#import "modules/math";
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#import "modules/build.sx";
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#import "modules/std/test.sx";
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pkg :: #import "tests/fixtures/testpkg";
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Point :: struct { x, y: i32; }
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add :: (a: i32, b: i32) -> i32 { a + b }
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Counter :: protocol {
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inc :: (self: *Self);
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get :: (self: *Self) -> i32;
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}
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Summable :: protocol {
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sum :: (self: *Self) -> i32;
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}
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SimpleCounter :: struct { val: i32; }
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impl Counter for SimpleCounter {
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inc :: (self: *SimpleCounter) { self.val += 1; }
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get :: (self: *SimpleCounter) -> i32 { self.val }
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}
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impl Summable for Point {
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sum :: (self: *Point) -> i32 { self.x + self.y }
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}
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// Phase 2: #inline protocol for dynamic dispatch
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// Phase 2: #inline protocol for dynamic dispatch
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Adder :: protocol #inline {
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add :: (self: *Self, n: i32);
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value :: (self: *Self) -> i32;
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}
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Accumulator :: struct {
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total: i32;
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}
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impl Adder for Accumulator {
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add :: (self: *Accumulator, n: i32) { self.total += n; }
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value :: (self: *Accumulator) -> i32 { self.total }
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}
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main :: () {
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// --- Auto type erasure (AE) ---
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print("=== Auto Type Erasure ===\n");
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// AE1: function argument — concrete passed where protocol expected (no xx)
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{
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use_counter :: (c: Counter) -> i32 { c.inc(); c.inc(); c.get() }
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sc := SimpleCounter.{ val = 10 };
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result := use_counter(sc);
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print("AE1: {}\n", result);
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}
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// AE2: variable assignment — concrete to protocol variable (no xx)
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{
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acc := Accumulator.{ total = 0 };
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a: Adder = acc;
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a.add(5);
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a.add(3);
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print("AE2: {}\n", a.value());
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}
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// AE3: struct literal passed directly (no xx)
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{
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use_counter :: (c: Counter) -> i32 { c.inc(); c.inc(); c.get() }
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result := use_counter(SimpleCounter.{ val = 100 });
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print("AE3: {}\n", result);
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}
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// AE4: explicit xx still works (not broken)
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{
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use_counter :: (c: Counter) -> i32 { c.inc(); c.get() }
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result := use_counter(xx SimpleCounter.{ val = 50 });
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print("AE4: {}\n", result);
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}
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// AE5: pointer auto-erasure — *ConcreteType to protocol
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{
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use_adder :: (a: Adder) { a.add(10); }
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acc := Accumulator.{ total = 5 };
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p := @acc;
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use_adder(p);
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print("AE5: {}\n", acc.total);
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}
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}
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