Lots of deprecation messages, mostly about void initializers in @safe

[jmh530]

Just ran dub test with D 2.109.1

C:\Users\[user]\Documents\GitHub\mir-algorithm>dub test
Generating test runner configuration 'mir-algorithm-test-default' for 'default' (library).
Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847
Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847
Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847
Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847
Excluding package.d file from test due to https://issues.dlang.org/show_bug.cgi?id=11847
Performing "unittest" build using dmd for x86_64.
mir-core 1.7.1: building configuration "library"...
mir-algorithm 3.22.1: building configuration "mir-algorithm-test-default"...
Mir warning: can't compute hash. Expexted `size_t toHash() scope @safe const pure nothrow @nogc` method for Algebraic!(Ion_)
source\mir\bignum\decimal.d(458,17): Deprecation: `void` initializers for types with unsafe bit patterns are not allowed in safe functions
source\mir\bignum\decimal.d(503,12): Deprecation: `@safe` function `__unittest_L498_C43` calling `opBinary`
source\mir\format.d(204,16):        which calls `mir.format.print!(char, StringBuf!(char, 256u), double).print`
source\mir\format.d(953,21):        which calls `mir.bignum.decimal.Decimal!1u.Decimal.toString!(char, StringBuf!(char, 256u)).toString`
source\mir\bignum\decimal.d(75,31):        which wouldn't be `@safe` because of:
source\mir\bignum\decimal.d(75,31):        `void` initializers for types with unsafe bit patterns are not allowed in safe functions
source\mir\bignum\decimal.d(429,50): Deprecation: `void` initializers for types with unsafe bit patterns are not allowed in safe functions
source\mir\bignum\integer.d(268,16): Deprecation: `void` initializers for types with unsafe bit patterns are not allowed in safe functions
source\mir\bignum\decimal.d(505,12): Deprecation: `@safe` function `__unittest_L498_C43` calling `opBinary`
source\mir\format.d(197,16):        which calls `mir.format.print!(char, StringBuf!(char, 256u), Decimal!1u).print`
source\mir\format.d(1050,25):        which calls `mir.bignum.decimal.Decimal!1u.Decimal.toString!(char, StringBuf!(char, 256u)).toString`
source\mir\bignum\decimal.d(75,31):        which wouldn't be `@safe` because of:
source\mir\bignum\decimal.d(75,31):        `void` initializers for types with unsafe bit patterns are not allowed in safe functions
source\mir\bignum\decimal.d(429,50): Deprecation: `void` initializers for types with unsafe bit patterns are not allowed in safe functions
source\mir\bignum\decimal.d(510,12): Deprecation: `@safe` function `__unittest_L498_C43` calling `opBinary`
source\mir\format.d(197,16):        which calls `mir.format.print!(char, StringBuf!(char, 256u), Decimal!1u).print`
source\mir\format.d(1050,25):        which calls `mir.bignum.decimal.Decimal!1u.Decimal.toString!(char, StringBuf!(char, 256u)).toString`
source\mir\bignum\decimal.d(75,31):        which wouldn't be `@safe` because of:
source\mir\bignum\decimal.d(75,31):        `void` initializers for types with unsafe bit patterns are not allowed in safe functions
[I cut it off here, lots of repeats]