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[Kernel] Narrow caller_locations #2745

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[Kernel] Narrow caller_locations #2745

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[Kernel] Narrow caller_locations
vpellan Dec 12, 2025
819bdf0
Add tests for caller_locations
vpellan Dec 15, 2025
77f3fcf
Merge branch 'master' into vpellan/caller-locations-narrowing
vpellan Dec 16, 2025
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5 changes: 3 additions & 2 deletions core/kernel.rbs
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Original file line number Diff line number Diff line change
Expand Up @@ -204,8 +204,9 @@ module Kernel : BasicObject
# Optionally you can pass a range, which will return an array containing the
# entries within the specified range.
#
def self?.caller_locations: (?Integer start_or_range, ?Integer length) -> ::Array[Thread::Backtrace::Location]?
| (?::Range[Integer] start_or_range) -> ::Array[Thread::Backtrace::Location]?
def self?.caller_locations: (Integer start_or_range, ?Integer length) -> ::Array[Thread::Backtrace::Location]?
| (::Range[Integer] start_or_range) -> ::Array[Thread::Backtrace::Location]?
| () -> ::Array[Thread::Backtrace::Location]

# <!--
# rdoc-file=vm_eval.c
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14 changes: 14 additions & 0 deletions test/stdlib/Kernel_test.rb
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Expand Up @@ -7,6 +7,20 @@ class KernelSingletonTest < Test::Unit::TestCase

testing "singleton(::Kernel)"

def test_caller_locations
assert_send_type "() -> Array[Thread::Backtrace::Location]",
Kernel, :caller_locations

assert_send_type "(Integer) -> Array[Thread::Backtrace::Location]?",
Kernel, :caller_locations, 1

assert_send_type "(Integer, Integer) -> Array[Thread::Backtrace::Location]?",
Kernel, :caller_locations, 1, 2

assert_send_type "(::Range[Integer]) -> Array[Thread::Backtrace::Location]?",
Kernel, :caller_locations, (1..3)
end

def test_Array
assert_send_type "(nil) -> []",
Kernel, :Array, nil
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