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{%- let key_type_name = key_type|type_name(ci) %}
{%- let value_type_name = value_type|type_name(ci) %}
public object {{ ffi_converter_name }}: FfiConverterRustBuffer<Map<{{ key_type_name }}, {{ value_type_name }}>> {
override fun read(buf: ByteBuffer): Map<{{ key_type_name }}, {{ value_type_name }}> {
val len = buf.getInt()
return buildMap<{{ key_type_name }}, {{ value_type_name }}>(len) {
repeat(len) {
val k = {{ key_type|read_fn }}(buf)
val v = {{ value_type|read_fn }}(buf)
this[k] = v
}
}
}
override fun allocationSize(value: Map<{{ key_type_name }}, {{ value_type_name }}>): ULong {
val spaceForMapSize = 4UL
val spaceForChildren = value.map { (k, v) ->
{{ key_type|allocation_size_fn }}(k) +
{{ value_type|allocation_size_fn }}(v)
}.sum()
return spaceForMapSize + spaceForChildren
}
override fun write(value: Map<{{ key_type_name }}, {{ value_type_name }}>, buf: ByteBuffer) {
buf.putInt(value.size)
// The parens on `(k, v)` here ensure we're calling the right method,
// which is important for compatibility with older android devices.
// Ref https://blog.danlew.net/2017/03/16/kotlin-puzzler-whose-line-is-it-anyways/
value.forEach { (k, v) ->
{{ key_type|write_fn }}(k, buf)
{{ value_type|write_fn }}(v, buf)
}
}
}
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